Harahap, Julienda Br, and Tika Indria. “The Relationship Between Communication Skills and Organizational Culture and Employe Work Effectiveness: A Case Study of UPT Balai Yasa Pulubrayan PT. Kereta Api Indonesia (Persero)”. International Journal of Enterprise Modelling 20, no. 1 (January 31, 2026): 72–80. Accessed March 5, 2026. https://ieia.ristek.or.id/index.php/ieia/article/view/167.