“Study of the Thermal Durability of Refractory Mortar Prepared from Local Clay Mixed with Different Percentage of Silica” (2024) Iraqi Journal of Science, 54(4. Appendix), pp. 1096–1101. Available at: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12428 (Accessed: 18 August 2025).