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 2025, pp. 554-3, https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/452.