Kademani, B. A., V. L. Kalyane, and M. R. Balakrishnan. “Scientometric Portrait of P. K. Iyengar”. Journal of Information and Knowledge 31, no. 4 (December 2, 1994): 155–176. Accessed February 12, 2025. https://srels.org/index.php/sjim/article/view/48775.