Ali, Zulfiqar, Sidra Irfan, and Yaamina Salman. “Effectiveness of Public Private Partnerships: A Systematic Literature Review”. Journal of Management and Research 7, no. 2 (December 31, 2020): 104-145. Accessed May 2, 2025. https://ojs.umt.edu.pk/index.php/jmr/article/view/509.