Runglertsri, Thira. “A Study of Natural Compound Materials Created With an Ancient Recipe for Community Product Development”. Rajamangala University of Technology Tawan-ok Research Journal 15, no. 1 (June 30, 2022): 50–59. Accessed May 21, 2024. https://li01.tci-thaijo.org/index.php/researchjournal2rmutto/article/view/253349.