Daniela T, Melati HA, Erlina E, Sasri R, Hairida H, Lestari I. Development of an Electronic Supplementary Book on Water Pollution. HJKK [Internet]. 2023 Jun. 15 [cited 2025 Sep. 30];11(3):305-27. Available from: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/7572