Lee, HyunKyung, Heewon Chang, and Lynette Bryan. “Doctoral Students’ Learning Success in Online-Based Leadership Programs: Intersection With Technological and Relational Factors”. The International Review of Research in Open and Distributed Learning 21, no. 1 (January 1, 2020): 61–81. Accessed May 29, 2024. https://www.irrodl.org/index.php/irrodl/article/view/4462.