M. Arpah, M. Aras, H. Kremer, D. Purba, and H. Hazriyanto, “ANALYSIS OF EMPLOYEE PERFORMANCE DIFFERENCES IN LINE OPP PT. SIMATELEX MANUFACTORY WITH EMPLOYEE PERFORMANCE AT PT. KARYASINDO BLUE OCEAN SHIPYARD”, JC, vol. 4, no. 1, pp. 68-71, Jan. 2023.