Raharjo, Sugeng, and Heru Suprapto. “Analisis Indeks Kepuasan Masyarakat Pelanggan PDAM Tirta Mahakam Cabang Tenggarong”. Jurnal Ekonomi & Manajemen Indonesia 19, no. 2 (November 30, 2019). Accessed November 21, 2024. https://ejurnal.unikarta.ac.id/index.php/jemi/article/view/694.