Verianto and Farida Yuliaty 2025. SUBCONTRACTOR COMPETENCY MANAGEMENT STRATEGY IN HEAVY EQUIPMENT RENTAL AND COAL HAULING SERVICE COMPANIES USING A THEMATIC APPROACH AND EXPLORATIVE SWOT (Case Study at PT Mutiara Tanjung Lestari). Multidiciplinary Output Research For Actual and International Issue (MORFAI). 5, 4 (Oct. 2025), 7062–7070. DOI:https://doi.org/10.54443/morfai.v5i4.4263.