Pradana , Wisnu Danar, Tri Prandono, Luky Primantari, and Silvia Yulita Ratih. “THE EVALUATION OF DRAINAGE SYSTEM IN THE RIVER FLOW OF PURWOKERTO REGION IN BANYUMAS DISTRICT”. Jurnal Teknik Sipil 18, no. 2 (October 1, 2022): 245 –. Accessed January 30, 2023. https://journal.maranatha.edu/index.php/jts/article/view/4539.