Silalahi IV. 24 Jam Mesin Beroperasi: Bagaimana Bentuk Kebijakan Maintenance Mesin di Plant Oxidasi PT. Indorama Petrochemical?. eprofit [Internet]. 2020Feb.27 [cited 2026Jun.2];2(01):13-9. Available from: https://jurnalunibi.unibi.ac.id/ojs/index.php/eprofit/article/view/240