safitri, Julia. “Digital Mentoring Strategies And Virtual Communities Of Practice For Enhancing Doctoral Student Completion In Distance Education: An Exploratory Study At Universitas Terbuka”. Amkop Management Accounting Review (AMAR) 6, no. 1 (June 28, 2026): 1121–1127. Accessed August 1, 2026. https://ojs.stieamkop.ac.id/index.php/amar/article/view/3342.