Asghar, G. et al. 2026. Performance Comparison of Crumb Rubber in Ordinary Portland Cement and Alkali-Activated Slag: A Study on Pastes and Mortars. American Journal of Civil Engineering and Constructions. 2, 1 (Apr. 2026), 34–47. DOI:https://doi.org/10.54536/ajcec.v2i1.7369.