Utami, L. I. ., Rizaldi, T. S. ., Wahyusi, K. N. . and Nugraha, R. E. . (2023) “The Utilization of Lapindo Mud Waste for Aluminium Sulfate Production”, International Journal of Eco-Innovation in Science and Engineering (IJEISE), 2(2). doi: 10.33005/ijeise.v2i02.40.