ZULKARNAIN, Iskandar. Geochemical Signature of Mesozoic Volcanic and Granitic Rocks in Madina Regency Area, North Sumatra, Indonesia, and its Tectonic Implication. Indonesian Journal on Geoscience, [S. l.], v. 4, n. 2, p. 117–131, 2009. DOI: 10.17014/ijog.4.2.117-131. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/74. Acesso em: 27 apr. 2025.