Sen, B. K., Z. Awang Ngah, B. Sen, and Z. Awang Ngah. “SCIENTIFIC PERIODICALS IN THE UNIVERSITY OF MALAYA LIBRARY-A BIBLIOMETRIC EVALUATION”. Malaysian Journal of Library and Information Science, vol. 1, no. 2, Mar. 2017, pp. 63-77, http://jummec.um.edu.my/index.php/MJLIS/article/view/1731.