เลาหะเพ็ญแสง จตุรงค์. “DEVELOPMENT INDUSTRIAL MATERIAL FROM TEAK WOOD AGED BETWEEN 7-14 YEARS FOR COMMERCIAL AND SUSTAINABLE USE”. Journal of Industrial Education 17, no. 2 (August 31, 2018): 109–116. Accessed April 27, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/145180.