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 (Dec. 2017), 116–122. DOI:https://doi.org/10.21070/prozima.v1i2.1299.