Purba, Siti Hamdayani. 2020. “Effect of Performance Measurement System, Reward System, Implementation of Total Quality Management and Organizational Commitment on Managerial Performance in Pt. Socfindo Medan”. International Journal of Applied Finance and Business Studies 8 (1):32-41. https://ijafibs.pelnus.ac.id/index.php/ijafibs/article/view/20.