Bunchom, N., Phadungkit, M., Saijuntha, W., Thanonkeo, P. and Thanonkeo, S. (2017) “-Ham”., Asia-Pacific Journal of Science and Technology, 19, pp. 262–267. available at: https://so01.tci-thaijo.org/index.php/APST/article/view/83129 (accessed: 27 September 2026).