Mardiah, M., and G. Guskarnali. “Estimating Primary Tin Deposits Using Resistivity Method and Geomagnetic Method in Sambunggiri Hill Merawang District, Bangka Regency)”. PROMINE, Vol. 7, no. 1, June 2019, pp. 41-47, doi:10.33019/promine.v7i1.1063.