Hariyanto, Chusnu Yuli Setyo, Husen, and Ariel Sharon. “Internal and External Factors Influencing Oral Communication Performance Among English Education Majors: A Qualitative Study in Indonesian Higher Education”. Reforma: Jurnal Pendidikan dan Pembelajaran 16, no. 1 (June 14, 2026): 48–65. Accessed November 8, 2026. https://jurnalpendidikan.unisla.ac.id/index.php/reforma/article/view/1280.