ปิยะพิพัฒน์ ส. . (2016) “Relationship of Shear Strength with Modulus of Rupture for Soft Clay mixed by Cement and Sand”, Frontiers in Engineering Innovation Research, 14(2), pp. 45–54. Available at: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242013 (Accessed: 19 September 2024).