Hermawan , Rachmad, and Mohammad Razif. “PREDIKSI STATUS MUTU AIR KALI SURABAYA DENGAN METODE SYSTEM DINAMIC DI STASIUN MONITORING BENDUNGAN GUNUNG SARI SURABAYA”. Envirotek : Jurnal Ilmiah Teknik Lingkungan 13, no. 1 (April 30, 2021): 66–72. Accessed April 3, 2025. https://envirotek.upnjatim.ac.id/index.php/envirotek/article/view/92.