KARAKTERISASI SIFAT KEMAGNETAN PASIR BESI PANTAI PUNTARU KABUPATEN ALOR-NTT. LJ [Internet]. 2021 Mar. 10 [cited 2026 Apr. 4];8(2):108-16. Available from: https://www.jurnal.ar-raniry.ac.id/index.php/lantanida/article/view/7867