Ni’mah SA, setiani onny, Suhartono. SPATIAL ANALYSIS OF GANDONG RIVER WATER POLLUTION FROM LEATHER INDUSTRY AT MAGETAN DISTRICT. ijhes [Internet]. 2021Jul.30 [cited 2026Oct.7];4(7):1-12. Available from: https://www.ijhes.com/index.php/ijhes/article/view/165