Balin, Abit, and Hayri Baraçli. 2017. “A Fuzzy Multi-Criteria Decision Making Methodology Based Upon the Interval Type-2 Fuzzy Sets for Evaluating Renewable Energy Alternatives in Turkey”. Technological and Economic Development of Economy 23 (5), 742-63. https://doi.org/10.3846/20294913.2015.1056276.