WIDYA, W. KEBUTUHAN AIR BERSIH KOTA BALIKPAPAN TAHUN 2018. IDENTIFIKASI, [S. l.], v. 4, n. 2, p. 43–51, 2018. DOI: 10.36277/identifikasi.v4i2.47. Disponível em: https://jurnal.d4k3.uniba-bpn.ac.id/index.php/identifikasi/article/view/47. Acesso em: 22 dec. 2024.