Riendi, Riendi. “Development of Communication Skills of Students of Bina Creatif Broadcasting Vocational High School Medan Through Public Speaking Learning”. Indonesian Journal of Communication and Social 2, no. 1 (March 20, 2025): 15–20. Accessed December 23, 2025. https://ijocial.web.id/index/index.php/ijocial/article/view/20.