Riduan R. EVALUASI SISTEM DRAINASE PERUMAHAN DI DESA TIRTASARI KECAMATAN TOILI KABUPATEN BANGGAI: EVALUATION OF THE HOUSING DRAINAGE SYSTEM IN TIRTASARI VILLAGE TOILI SUBDISTRICT, BANGGAI REGENCY. siparstika [Internet]. 2022 May 31 [cited 2025 Apr. 19];1(2):58-66. Available from: https://ojs.untika.ac.id/index.php/siparstika/article/view/389