Kodrat, Kimberly Febrina. “The Improvement of Productivity to Increase Company Competitiveness in PT. X Binjai”. Journal of Applied Science, Engineering, Technology, and Education 4, no. 1 (June 30, 2022): 105–114. Accessed May 14, 2026. https://ascijournal.eu/index.php/asci/article/view/1172.