Njeru, Grace, John Gathiaka, and Peter Kimuyu. “Technical Efficiency of Thermal Electricity Generators in Kenya”. International Journal of Energy Economics and Policy 10, no. 3 (March 17, 2020): 340–347. Accessed January 25, 2025. https://mail.econjournals.org.tr/index.php/ijeep/article/view/9102.