“THE EVALUATION OF REAL ESTATE BUSINESS COOPERATIVES AND REAL ESTATE CERTIFICATE MODELS AS AN ALTERNATIVE IN DEVELOPMENT OF THE REAL ESTATE SECTOR AND SOLUTION OF THE HOUSING PROBLEM”. Third Sector Social Economic Review, vol. 52, no. 2, Aug. 2017, pp. 24-40, https://doi.org/10.15659/3.sektor-sosyal-ekonomi.17.09.696.