Nazemi, Ali, Seyed Farid Ghaderi, Shadi Khalil Moghadam, and Anahita Farsaei. “Trade-off Curves and Elasticity Analysis in Multi Fuel Options System and Combined Problem”. International Journal of Energy Economics and Policy 6, no. 3 (August 1, 2016): 646–654. Accessed March 4, 2025. https://econjournals.net.tr/index.php/ijeep/article/view/2204.