Salleh, Safiza, Siti Haida Ismail, and Haslaile Abdullah. “Optimization Model of Media Selection through Integer Programming”. International Journal of Applied Business and Information Systems 4, no. 2 (June 14, 2021): 142–146. Accessed April 26, 2024. https://pubs.ascee.org/index.php/ijabis/article/view/447.