Arrazi M, Rifai H, Mufit F, Amir H. Magnetic Susceptibility of Pumice at Mount Singgalang, West Sumatera. manazhim [Internet]. 1Aug.2023 [cited 11Aug.2026];5(2):945-56. Available from: https://ejournal.stitpn.ac.id/index.php/manazhim/article/view/3623