Nur Aditia Buana Sucipto. (2022). DEVELOPMENT OF QUALITY ASSURANCE PROGRAM FOR CONSTRUCTION IN OIL AND GAS COMPANY BY USING STATISTICAL QUALITY CONTROL AND SIX SIGMA. INTERNATIONAL JOURNAL OF SUPPLY CHAIN, OPERATION MANAGEMENT AND LOGISTICS (IJSCOL), 3(6), 01–13. Retrieved from https://gaexcellence.com/ijscol/article/view/144