Hiremath, Suvarna S., Somashekar Lalasangi, and Shivakumar Acharya. “Role of Virtual Digital Libraries in E-Learning”. Current Approaches in Science and Technology Research Vol. 14 (August 6, 2021): 44–46. Accessed June 14, 2026. https://stm.bookpi.org/CASTR-V14/article/view/2996.