DEUANHAKSA , SURYA, et al. “EXPERMENT TO DETERMINE ABRASION VALUE AND COEFFICIENT OF THERMAL EXPASION OF CONCRETE GRADES G 25, 30, AND 35Mpa: Abrasion, Coefficient of Thermal Expansion”. Lao Science Journal, vol. 1, no. 2, June 2025, pp. 6-13, https://doi.org/10.71026/ls.2024.02002.