Loan, Fayaz, and Refhat Refhat-un-nisa. “Open Access E-Books in Science and Technology: A Case Study of Directory of Open Access Books”. DESIDOC Journal of Library & Information Technology 35, no. 4 (July 28, 2015). Accessed April 19, 2024. https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/8494.