Lubis F, Apriani W, Rahmat H. Penerapan Lubang Resapan Biopori bagi Panti Asuhan Hikmah Kota Pekanbaru. Fleksibel [Internet]. 2022Apr.17 [cited 2024Apr.20];3(1):15-. Available from: https://journal.unilak.ac.id/index.php/Fleksibel/article/view/9042