Edy Sutriyono, Endang Wiwik Dyah Hastuti, and Budhi Kuswan Susilo. “GEOCHEMICAL ASSESSMENT OF LATE PALEOGENE SYNRIFT SOURCE ROCKS IN THE SOUTH SUMATRA BASIN”. GEOMATE Journal, vol. 11, no. 23, Nov. 2021, pp. 2208-15, https://geomatejournal.com/geomate/article/view/2535.