Boros, Elise, and Angeliki Papasava. “Referral Marketing in Online Higher Education: A Holistic Snapshot of Strategic Initiatives, Effectiveness and Opportunities in a Leading International Organization”. Journal of Marketing Communications for Higher Education 1, no. 3 (January 6, 2020). Accessed May 1, 2024. https://ejournals.bc.edu/index.php/JMCHE/article/view/11999.