Putra, H. Z. K., and H. C. Wahyuni. “Analysis of Labor Productivity Factors in the Inspection Division (Case Study at PT. XYZ)”. PROZIMA (Productivity, Optimization and Manufacturing System Engineering), Vol. 3, no. 1, Mar. 2021, pp. 10-17, doi:10.21070/prozima.v3i1.1262.