Performance Evaluation of Real Estate Investment Trusts using a Hybridized Interval Type-2 Fuzzy AHP-DEA Approach: The Case of Borsa Istanbul. - Mustafa Kemal Yilmaz; Ali Osman Kusakci; Ekrem Tatoglu; Orkun Icten; Feyzullah Yetgin (Int. J. Inf. Technol. Decis. Mak., 2019)