Mansyur ., Tumpu M, Rangan PR. Silica Quartz Characteristics from Local Silica Sand on Compressive Strength of Mortar. Civ Eng J [Internet]. 2024 Aug. 1 [cited 2026 Feb. 22];10(8):2588-600. Available from: https://civilejournal.org/index.php/cej/article/view/4781