Irzon, R. 2017. Geochemistry of Late Triassic weak Peraluminous A-Type Karimun Granite, Karimun Regency, Riau Islands Province. Indonesian Journal on Geoscience. 4, 1 (Jan. 2017), 21–37. DOI:https://doi.org/10.17014/ijog.4.1.21-37.