Hemalatha, R. K. S., and T. K. Thiruvengada Mani. “Usage of Electronic Resources in Science Subjects by the Madras University Library System”. Indian Journal of Information Sources and Services 9, no. 1 (February 5, 2019): 35–39. Accessed July 3, 2024. https://ojs.trp.org.in/index.php/ijiss/article/view/598.