Rohmah, Habibatur, and Ospa Pea Yuanita Meishanti. 2021. “E-Coli Bacterial Pollution Test Results in Mineral Water As a Learning Media for Electronic Practicum Instructions”. APPLICATION: Applied Science in Learning Research 1 (1):42-46. https://ejournal.unwaha.ac.id/index.php/application/article/view/1652.