Safitri, Dini. “Sosialisasi Lubang Biopori Di SMPN 270 Jakarta Utara”. Jurnal Pemberdayaan Masyarakat Madani (JPMM) 3, no. 2 (November 22, 2019): 304–312. Accessed November 6, 2024. https://journal.unj.ac.id/unj/index.php/jpm/article/view/11365.