A. Buntoro, C. Prasetyadi, R. A. Wibowo, and S. Suranto, “Vertical Fracability Model on Lithofacies Association of Brownshale Formation from Outcrop Analog Using Rock Mechanical and Mineralogy Correlation Method: A Preliminary Study of Shale Hydrocarbon Development in Bengkalis Trough, Central Sumatra Basin”, Indonesian J. Geosci., vol. 9, no. 1, pp. 87–104, Jan. 2022.