Songklanakarin Journal of Science and Technology (SJST)

Volume 47 No 1 January - February 2025

pp. 1 - 78

The chloride mask in chemical oxygen demand determination of seawater and its validation

Meyliana Wulandari, Ashlasa Zata Zharfa, Denar Zuliandanu, Ahmad Syukri, Nofrizal Nofrizal, and Pandian Bothi Raja

Effect of land use change on soil chemical properties in Gede-Pangrango volcanic soil, West Java, Indonesia

Rufaidah Qonita Muslim, Dyah Tjahyandari Suryaningtyas, I Gusti Made Subiksa, and Budi Mulyanto

Prediction of inflation rate in Indonesia using Fourier series estimator and support vector regression (SVR)

M. Fariz Fadillah Mardianto, Diana Wahyuli, Nurul Mutmainna, Toha Saifudin, and I Kadek Pasek Kusuma Adi Putra

pp. 26 - 33 PDF PDF w/Links
On h-combined matrix and its applications

Supunnee Sompong and Jirawat Kantalo

pp. 34 - 39 PDF PDF w/Links
Recent era of research: Microbial melanin in life sciences

Rukaiyya Amjad Khatib, Simran Hanif Shaikh, Komal Dileep Kamble, and Vinay V. Chougule

pp. 49 - 56 PDF PDF w/Links
Deformation behavior and flow stress determination of AISI 8620 steel

Visarut Phatiwach, Oranicha Theerakiat, Laksamee Angkurarach, and Patiphan Juijerm

pp. 65 - 71 PDF PDF w/Links
Self-healing crack of steel fibre asphalt mixture using heating method with non-destructive test-Ultrasonic Pulse Velocity (UPV)

Fionna Shiong, Ekarizan Shaffie, Muhammad Syafiq Iqbal Din, Nuryantizapura Mohamad Rais, and Noor Azreena Kamaluddin

pp. 72 - 78 PDF PDF w/Links