Irzon, Ronaldo, and Baharuddin Abdullah. “Element Mobilization During Weathering Process of Ultramafic Complex in North Konawe Regency, Southeast Sulawesi Based on A Profile from Asera”. Indonesian Journal on Geoscience, vol. 5, no. 3, Dec. 2018, pp. 277-90, doi:10.17014/ijog.5.3.277-290.