Subagiyo, Edi, Tri Joko, and Onny Setiani. 2021. “Evaluation on Water Safety Plan (WSP) in DWSSMG in Gringsing Sub District of Batang Regency”. International Journal of English Literature and Social Sciences (IJELS) 6 (2). https://journal-repository.com/index.php/ijels/article/view/3401.