Ramadhan, Anggia, and Irsad Lubis. “The Role of The Radio Broadcasting Industry in the Dynamics Of Sustainable Development Economics: A Case Study of Business Transformation in Medan”. International Conference Epicentrum of Economic Global Framework (June 11, 2025): 554–553. Accessed January 30, 2026. https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/452.