MAIZI, M.; HARTAWAN, .; NASRUDDIN, .; IMRIANTI, . Comparison of the Modulus of Elasticity Values of Mortar Specimens with Crumb Rubber Replacing Sand by 10%, 15%, and 20% Before and After Heating at 150 ℃. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 6, p. 29738–29744, 2025. DOI: 10.48084/etasr.14324. Disponível em: https://etasr.com/index.php/ETASR/article/view/14324. Acesso em: 30 apr. 2026.