Anfas, Anfas, Mohbir Umasugi, and Lisda Ariani Simabur. “Determination Of Marketing Strategy For Distance Learning In The Island : Determination Of Marketing Strategy For Distance Learning In The Island”. Journal of Management Science (JMAS) 3, no. 2 (April 6, 2020): 43–50. Accessed May 2, 2026. https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/48.