Dewa Putu Purnawan , Sasmito Sukarna , Ery Setiawan. “Evaluation of Drainage Systems in Sekarbela Area and Its Surroundings”. International Journal of Emerging Trends in Science and Technology 5, no. 11 (November 30, 2018): 6745–6751. Accessed May 4, 2024. http://ijetst.in/index.php/ijetst/article/view/1277.