Syafrida, N. (2018) “Promotion and Policy Influence Prices on Consumer Purchase Decision on Football Cafe Lubukpakam”, Journal of Management Science (JMAS), 1(3, Juli), pp. 64–69. Available at: https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/12 (Accessed: 30April2026).