Harahap, Julienda Br, and Tika Indria. 2026. “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 (1):72-80. https://doi.org/10.35335/int.jo.emod.v20i1.167.