Shaban, Godang, et al. “Geochemical Signatures of Potassic to Sodic Adang Volcanics, Western Sulawesi: Implications for Their Tectonic Setting and Origin”. Indonesian Journal on Geoscience, vol. 3, no. 3, Dec. 2016, pp. 195-14, doi:10.17014/ijog.3.3.195-214.