Manuscripts submitted for publication should be of high academic merit and are accepted on condition that they are contributed solely to the Songklanakarin Journal of Science and Technology (SJST). Manuscripts, parts of which have been previously published in conference proceedings, may be accepted if they contain additional material not previously published and not currently under consideration for publication elsewhere. Manuscripts that involved plagiarism will automatically be rejected. SJST allows reusing published articles for non-commercial only (CC-BY-NC). Submission of a multi-authored manuscript implies the consent of all the participating authors. All manuscripts considered for publication will be peer-reviewed by independent referees.

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SJST would like to invite you to submit the approved manuscripts of your research work via the online submission system: ThaiEs. You have to create your own account if you are a first time user at https://ph04.tci-thaijo.org/index.php/SJST.

1. To register click "Register". Fill in the information to create your account. If you already have ThaiEs or ThaiJo account, you can login with that account.

2. If you have an account but have forgotten your log in details, click "Forgot Password?" The system will send you an email containing instructions on how to reset your password. If you can’t find it, please check your spam folder.

Click here for creating User Account.

The manuscripts submitted to SJST must include:

1. A manuscript text file containing title page, abstract, keywords, contents, acknowledgments, reference list and appendices (if necessary). No figures or tables should be included in this file. The title page of this file should include the title of the article, full names and affiliations of all authors, and the name, e-mail address, telephone and fax numbers and full postal address of the corresponding author.

2. A figure file containing figures which are clear and high-quality with minimal shading. A figure caption list should precede all the figures.

3. A table file containing all the tables (including title, description, footnotes).

4. A full PDF file containing title page, text, figures and tables (Convert all WORD files into one PDF file)

5. A copyright transfer agreement.

6. An explanation file containing the answer to reviewers’ comments for the revised manuscript. Authors who are instructed to revise their manuscript have to highlight all point of their responded in text, figure and table files.

Preparing Manuscript

Contributors submitting manuscripts for consideration for publication should follow the following guidelines.

1. Manuscript should be separated into 4 Microsoft Word files (Text, Figure, Table, Agreement) and a full PDF file. Also insert continuous line numbers in text file. Full PDF file should include title page, text, figures and tables.

2. Manuscript must be written using high - quality language. For non-native English language authors, the article should be proof - read by a language specialist. Poor use of English could result in immediate rejection of the paper.

3. Manuscript should be no longer than 4500 words, including figures and tables and the combined number of figures and tables should not exceed 10. The inclusion of more figures and tables will reduce the word allowance, and vice versa.

4. Manuscript should be prepared single column, double - spaced, with sufficient margins (3 cm) for editorial and proof - reader’s marks 12 pt Times New Roman font should be used throughout and all pages numbered consecutively.

5. Abstracts should be no longer than 200 words. About 5 keywords should also be provided.

6. All measures should be reported in SI units followed if necessary, in the text, by traditional units in parentheses. The quantity “billion” (109 in America, 1012 in Europe) is ambiguous and should be avoided.

7. Tables and figures should each be numbered consecutively.

8. Line drawings should be of high resolution and high contrast.

9. Acknowledgements should be as brief as possible, in a separate section before the references.

10. Citations of published literature in the text should be given in the APA (American Psychological Association) Style. APA Style uses the author – date citation system. The sources cited in text must be listed alphabetically in the reference list, and vice versa. To insert a citation in text, include the author’s surname and year of publication.
One author: (Field, 2005) or Field (2005)
Two authors: (Gass & Varonis, 1984) or Gass and Varonis (1984)
Three to five authors:
First citation: (Tremblay, Richer, Lachance, & Cote, 2010) or Tremblay, Richer, Lachance, and Cote (2010)
Subsequent citations: (Tremblay et al., 2010) or Tremblay et al. (2010)
Six or more authors: (Norris-Shortle et al., 2006) or Norris-Shortle et al. (2006)
Groups (readily identified through abbreviation) as authors:
First citation: (National Institute of Mental Health [NIMH], 2003) or  National Institute of Mental Health (NIMH, 2003)
Subsequent citations: (NIMH, 2003) or NIMH (2003)
Groups (no abbreviation) as authors: (University of Pittsburgh, 2005) or University of Pittsburgh (2005)

To cite two or more works together, arrange the in-text citations alphabetically in the same order in which it appear in the reference list. The following are examples of citations that include more than one work in the same parenthesis.
- (Derryberry & Reed, 2005a, 2005b, in press; Rothbart, 2003a, 2003b)
- (Field, 2005; Gass & Varonis, 1984; Norris-Shortle et al., 2006; Tremblay, Richer, Lachance, & Cote, 2010)

11. The references section at the end of the manuscript should list all, only the references cited in the text in alphabetical order of the first author’s surname and no number in front of each reference. Titles of the journal or conference proceedings are not abbreviated. The following are examples of references in APA Style.
Reference to an entire book, print version
Shotton, M. A. (1989). Computer addiction? A study of computer dependency. London, England: Taylor & Francis.
Association of Official Analytical Chemists. (1990). Official method of analysis (15^th ed.). Washington, DC: Author.
Reference to an electronic book, E-book
Eggers, D. (2008). The circle [Kindle Version].
Reference to a book chapter, print version
Haybron, D. M. (2008). Philosophy and the science of subjective well-being. In M. Eid & R. J. Larsen (Eds.), The science of subjective well-being (pp. 17-43). New York, NY: Guilford Press.
Reference to a journal article
Jameson, J. (2013). E-Leadership in higher education: The fifth “age” of educational technology research. British Journal of Educational Technology, 44(6), 889-915. doi:10.1111/bjet.12103
Sillick, T. J., & Schutte, N. S. (2006). Emotional intelligence and self-esteem mediate between perceived early parental love and adult happiness. E-Journal of Applied Psychology, 2(2), 38-48. Retrieved from http://ojs.lib.swin.edu.au/index.php/ejap
Reference to a technical or research report
U.S. Department of Health and Human Services, National Institutes of Health, National Heart, Lung, and Blood Institute. (2003). Managing asthma: A guide for schools (NIH Publication No.02-2650). Retrieved from https://www.nhlbi.nih.gov/files/docs/resources/lung/asth_sch.pdf
Reference to an abstract or article in proceedings published regularly online
Herculano-Houzel, S., Collins, C. E., Wong, P., Kaas, J. H., & Lent, R. (2008). The basic nonuniformity of the cerebral cortex. Proceedings of the National Academy of Sciences 105, 12593-12598. doi:10.1073/pnas.0805417105
Reference to an abstract or article in proceedings published in book form
Katz, I., Gabayan, K., & Aghajan, H. (2007). A multi-touch surface using multiple cameras. In J. Blanc-Talon, W. Philips, D. Popescu, & P. Scheunders (Eds.), Lecture Notes in Computer Science: Vol. 4678. Advanced Concepts for Intelligent Vision Systems (pp. 97-108). Berlin, Germany: Springer-Verlag. doi:10.1007/978-3-540-74607-2_9
Reference to a doctoral dissertations or master’s theses
Carlbom, P. (2000). Carbody and passengers in rail vehicle dynamics(Doctoral thesis, Royal Institute of Technology, Stockholm, Sweden). Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3029
Reference to a newspaper article
Schwartz, J. (1993, September 30). Obesity affects economic, social status. The Washington Post, pp. A1, A4.
Reference to a software
Comprehensive Meta-Analysis (Version 2) [Computer software]. Englewood, NJ: Biostat.
Reference to an electronic data source (used only when unavoidable)
Simmons, B. (2015, January 9). The tale of two Flaccos. Retrieved from http://grantland.com/the-triangle/the-tale-of-two-flaccos/

12. Appendix: All supplementary material as well as items of interest only to specialists in the field should be placed in an Appendix. Model formulations, descriptions of methods, lists of symbols, acronyms etc. may be included here, if necessary.

13. The revision manuscript should have the highlight on revised parts. Authors must be written the explanation along with the revision manuscript.

The publication of an article in the peer-reviewed “Songklanakarin Journal of Science and Technology (SJST)” contributes to growth of high academic merit. SJST take all possible measures against publication malpractices and encourage all parties involved in publication: editors, authors, and reviewers seriously recognize the standard of proper ethical behavior. (These guidelines are based on existing the Committee on Publication Ethics; COPE.)

Duties of Editors

Publication Decisions and Fair Play

SJST editor is responsible for deciding which of the manuscripts submitted to the journal should be published. The editor may confer with other editors or reviewers in making the decision. And also the editor may be guided by the policies of the journal's editorial board and constrained by such legal requirements as shall then be in force regarding libel, copyright infringement and plagiarism. The editor should evaluate manuscripts for their intellectual content without regard to gender, sexual orientation, race, religious belief, ethnic origin, citizenship, or political philosophy of the authors.

Confidentiality

The editor and any editorial staffs must not disclose any information about manuscripts submitted to the journal to anyone other than the corresponding author, authors, reviewers, potential reviewers, and other editorial advisers, as appropriate.

Disclosure and Conflicts of Interest

Unpublished materials disclosed in a submitted manuscript must not be used in an editor's own research without the express written consent of the author. Privileged information or ideas obtained through peer review must be kept confidential and not used for personal advantage.

Involvement and Cooperation in Investigations

The editor should take reasonably responsive measures when ethical complaints have been presented concerning a submitted manuscript or published articles. Such measures will generally include contacting the author of the manuscript or article and giving due consideration of the respective complaint or claims made, but may also include further communications to the relevant institutions and research bodies, and if the complaint is upheld, the publication of a correction, retraction, expression of concern, or other note, as may be relevant.

Duties of Authors

Reporting Standards

The authors should present an accurate account of the work performed as well as an objective discussion of its significance. Underlying data should be represented accurately in manuscripts.
The manuscripts submitted should contain sufficient detail and references to permit others to replicate the work.

Data Access and Retention

Authors are asked to provide the raw data in connection with a manuscript for editorial review, and should be prepared to provide public access if practicable, and should in any event be prepared to retain such data for a reasonable time after publication.

Originality and Plagiarism

The authors should ensure that they have written entirely original works, and if the authors have used the work and/or words of others that this has been appropriately cited or quoted. All forms of plagiarism are unethical publishing behavior. The manuscripts submitted to SJST that involved plagiarism is unacceptable.

Acknowledgement of Sources

Authors should cite publications that have been influential in determining the nature of the reported work. Proper acknowledgment of the work of others must always be given.

Multiple, Redundant or Concurrent Publication

The authors should not in general publish manuscripts describing essentially the same research in more than one journal or primary publication. Submitting the same manuscript to more than one journal concurrently constitutes unethical publishing behavior and is unacceptable. Manuscripts submitted for publication contributes solely to SJST, parts of which have been previously published in conference proceedings, may be accepted if it contain additional material not previously published and not currently under consideration for publication elsewhere.

Authorship of the Paper

Authorship should be limited to those who have made a significant contribution to the conception, design, execution, or interpretation of the reported study. All those who have made significant contributions should be listed as co-authors. The corresponding author should ensure that all appropriate co-authors and no inappropriate co-authors are included on the paper, and that all co-authors have seen and approved the final version of the paper and have agreed to its submission for publication.

Hazards and Human or Animal Subjects

If the work involves chemicals, procedures or equipment that have any unusual hazards inherent in their use, the author must clearly identify these in the manuscript. If the work involves the use of animal or human subjects, the author should ensure that the manuscript contains a statement that all procedures were performed in compliance with relevant laws and institutional guidelines and that the appropriate institutional committee(s) has approved them. Authors should include a statement in the manuscript that informed consent was obtained for experimentation with human subjects. The privacy rights of human subjects must always be observed.

Disclosure and Conflicts of Interest

All authors should disclose in their manuscript any financial or other substantive conflict of interest that might be construed to influence the results or interpretation of their manuscript. All sources of financial support for the project should be disclosed.

Fundamental Errors in Publication

When an author discovers a significant error or inaccuracy in his/her own published articles, it is the author’s obligation to promptly notify the journal editor or publisher and cooperate with the editor to retract or correct the articles.

Duties of Reviewers

Contribution to Editorial Decisions

Peer review assists the editor in making editorial decisions and through the editorial communications with the author may also assist the author in improving the article. Manuscripts submitted to the journal are considered by independent reviewers.

Promptness

Any selected reviewers who feels unqualified to review the manuscript or knows that its prompt review will be impossible should notify the editor and excuse himself from the review process.

Confidentiality

Any manuscripts received for review must be treated as confidential documents. They must not be shown to or discussed with others except as authorized by the editor.

Standards of Objectivity

Reviews should be conducted objectively. Personal criticism of the author is inappropriate. Reviewers should express their views clearly with supporting arguments.

Acknowledgement of Sources

Reviewers should identify relevant published work that has not been cited by the authors. Any statement that an observation, derivation, or argument had been previously reported should be accompanied by the relevant citation. A reviewer should also call to the editor's attention any substantial similarity or overlap between the manuscript under consideration and any other published paper of which they have personal knowledge.

Disclosure and Conflict of Interest

Privileged information or ideas obtained through peer review must be kept confidential and not used for personal advantage. Reviewers should not consider manuscripts in which they have conflicts of interest resulting from competitive, collaborative, or other relationships or connections with any of the authors, companies, or institutions connected to the papers.