E. Subagiyo, T. Joko, and O. Setiani, “Evaluation on Water Safety Plan (WSP) in DWSSMG in Gringsing Sub District of Batang Regency”, ijels, vol. 6, no. 2, Mar. 2021, Accessed: Jul. 03, 2024. [Online]. Available: https://journal-repository.com/index.php/ijels/article/view/3401