Bahrudin, M. and Wahyuni, H. C. (2017) “Measurement of Employee Work Productivity in the Production Department by Using Objective Matrix (OMAX) and Root Cause Analyze (RCA) Methods: Pengukuran Produktivitas Kerja Karyawan pada Bagian Produksi dengan Menggunakan Metode Objective Matrix (OMAX) Dan Root Cause Analyze (RCA)”, PROZIMA (Productivity, Optimization and Manufacturing System Engineering), 1(2), pp. 116–122. doi: 10.21070/prozima.v1i2.1299.