Margaret, Rossana, and Andika A. I. Saputra A. I. Saputra. “Evaluasi Kinerja Sistem Drainase Manggar Kecil Kota Balikpapan: Drainage System Evaluation of Manggar Kecil Balikpapan”. JURNAL SAINTIS, vol. 17, no. 2, Oct. 2017, pp. 1-6, https://journal.uir.ac.id/index.php/saintis/article/view/2030.