Benalia S, Zeghichi L, Benghazi Z. A Comparative Study of Metakaolin/Slag-Based Geopolymer Mortars Incorporating Natural and Recycled Sands. Civ Eng J [Internet]. 2022 Aug. 1 [cited 2025 Sep. 21];8(8):1622-38. Available from: https://civilejournal.org/index.php/cej/article/view/3388