Harahap, Sriwida, Kesya Nirma Lumbantobing, and Berkat Panjaitan. “The Role of English Communication Skills in Increasing students’ Competitiveness”. Cendikia : Media Jurnal Ilmiah Pendidikan 14, no. 6 (July 31, 2024): 678-683. Accessed May 3, 2026. http://www.ejournal.iocscience.org/index.php/Cendikia/article/view/5412.