HARAHAP, Bhakti H. Magma Genesis in Kabanjahe Region Continental Margin Arc of Sumatra. Indonesian Journal on Geoscience, [S. l.], v. 6, n. 2, p. 105–127, 2011. DOI: 10.17014/ijog.6.2.105-127. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/120. Acesso em: 4 aug. 2025.