Rambe MR, Pohan RF, Fithriyah Patriotika, Sahrul Harahap, Alvi Sahrin Nasution. Potential of Gypsum Waste as a Substitution and Filler Material in Concrete Manufacturing. fld [Internet]. 2023Nov.30 [cited 2024May17];16(2):120-31. Available from: https://jurnal.polban.ac.id/ojs-3.1.2/kimia/article/view/4471