Suhascaryo, KRT Nur, et al. “The Use of Crude Coconut Oil (CCO) As an Alternative Oil Base Mud (OBM) for Drilling Operations by ‘VICOIL’ Standard Drilling Simulation Rig”. RSF Conference Series: Engineering and Technology, vol. 1, no. 1, Nov. 2022, pp. 414-25, doi:10.31098/cset.v1i1.414.