Mahmood, K., A. Hameed, and S. J. Haider. “FREE VS. FEE BASED LIBRARY SERVICES: SURVEY OF LIBRARY LEADERS IN PAKISTAN”. Malaysian Journal of Library and Information Science, vol. 10, no. 2, Dec. 2005, pp. 105-1, https://mojc.um.edu.my/index.php/MJLIS/article/view/8494.