Liber, M. J. S. (2021). A COMPARISON OF METAL ELEMENTS ON LIMONITE AND SAPROLITE LAYERS IN NICKEL MINING FRONT IN HUKO-HUKO AREA, POMALAA DISTRICT, KOLAKA REGENCY. Retii, 295 -. Diambil dari //journal.itny.ac.id/index.php/ReTII/article/view/2620