2022. ESTIMATE RIG CAPACITY AND RENTAL COST IN DRILLING OPERATION GH-02 WELL EXPLORATION MATALOKO GEOTHERMAL FIELDRATION GH-02 WELL EXPLORATION MATALOKO GEOTHERMAL FIELD. ASEAN Engineering Journal. 12, 1 (Feb. 2022), 75–82. DOI:https://doi.org/10.11113/aej.v12.16727.