Luqman, Muhammad, Mirajul Haq, and Iftikhar Ahmad. “Power Outages and Technical Efficiency of Manufacturing Firms: Evidence from Selected South Asian Countries”. International Journal of Energy Economics and Policy 11, no. 2 (February 1, 2021): 133–140. Accessed August 11, 2025. https://www.econjournals.com.tr/index.php/ijeep/article/view/10584.