Dearny, Eva, and Sonia Chrystabella Hetharie. “The Influence of Competence, Training and Work Discipline on Employee Performance of PT. Pos Indonesia (Persero), Binjai Branch Essay 2021”. Jurnal Mantik 5, no. 1 (February 28, 2021): 16-25. Accessed September 1, 2026. https://www.iocscience.org/ejournal/index.php/mantik/article/view/1252.