Gupta, B.M., Suresh Kumar, H.K. Khanna, and T.K. Amla. “IMPACT OF PROFESSIONAL AND CHRONOLOGICAL AGE ON THE PRODUCTIVITY OF SCIENTISTS IN ENGINEERING SCIENCE LABORATORIES OF CSIR”. Malaysian Journal of Library & Information Science 4, no. 1 (July 1, 1999): 103–107. Accessed May 26, 2022. http://mjlis.um.edu.my/index.php/MJLIS/article/view/6756.