Utilization of Mortar Waste as Environmentally Friendly Construction Material Replacement to Support Sustainable Development GoalsPinta Astuti, Adhitya Yoga Purnama, Dewi Sekar Kencono, Alfido Ardhi Pramana and Farkhan NooriswarE3S Web Conf., 440 (2023) 01002DOI: https://doi.org/10.1051/e3sconf/202344001002