Nababan, Irene Adryani, Berlin Sibarani, and Anita Sitanggang. “VOA English Learning YouTube Channel As a Speaking Skill Learning Media : Case Study of Students’ Perception at University HKBP Nommensen Pematangsiantar (UHKBPNP)”. International Journal of Educational Research Excellence (IJERE) 3, no. 2 (August 15, 2024): 629–635. Accessed October 28, 2024. https://ejournal.ipinternasional.com/index.php/ijere/article/view/987.