Lismawati, Aulia Rohendi, and Adian Aristia Anas. 2021. “VALUASI UALITAS IR ADA ISTEM ENGELOLAAN IR ERSIH ERBASIS ASYARAKAT I ECAMATAN UKIT AB. ENER ERIAH”. ingkar: ournal of nvironmental ngineering 2 (2), 1-9. https://doi.org/10.22373/ljee.v2i2.1361.