Lubis, Fadrizal, Widya Apriani, and Hendri Rahmat. “Penerapan Lubang Resapan Biopori Bagi Panti Asuhan Hikmah Kota Pekanbaru”. FLEKSIBEL: Jurnal Pengabdian Masyarakat 3, no. 1 (April 17, 2022): 15-25. Accessed July 2, 2024. https://pustaka-psm.unilak.ac.id/index.php/Fleksibel/article/view/9042.