ANALISIS KETERSEDIAAN DAN PENINGKATAN KUALITAS AIR SUMUR BOR (Studi Kasus : Desa Lalonggolosua Kabupaten Kolaka) Evi Arianti, Ahmad Syarif Sukri, Abdul Kadir Jurnal Manajemen Rekayasa (Journal of Engineering Management) Vol. 5 No. 2 2023 DOI 10.33772/jmr.v5i2.47447