Khatimah , H. ., R. . Rahmi, and T. . Muhammad Ashari. “EMANFAATAN ITTERN EBAGAI OAGULAN LTERNATIF ENGOLAHAN IMBAH AIR OMESTIK AMPONG IBANG OTA ANDA CEH”. ingkar: ournal of nvironmental ngineering, vol. 3, no. 1, July 2022, pp. 1-16, doi:10.22373/ljee.v3i1.1923.