Siswandy, Siswandy, Ritnawati Makbul, and Erniati Bachtiar. “Evaluation of Wastewater Management System Implementation in Tarakan City Selumit Beach Area”. Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 8, no. 2 (September 27, 2023): 203–214. Accessed May 11, 2024. https://jurnalteknik.unisla.ac.id/index.php/CVL/article/view/1129.