กล้าแท้ ทวิช. “Utilization of Crushed Oyster Shell on Interlocking Block”. RMUTP Research Journal Sciences and Technology 11, no. 2 (December 15, 2017): 167–177. Accessed May 3, 2024. https://ph02.tci-thaijo.org/index.php/RMUTP/article/view/99037.