1. Affisco, J. F., & Chanin, M. N. (1988, March). An empirical investigation of integrated spatial-proximity MCDM-behavioral problem solving technology group decision models. In Developments in Business Simulation and Experiential Learning: Proceedings of the Annual ABSEL conference (Vol. 15).;
2. Amadi, A. A., & Mozaffari., H. (2012). Analysis of Appropriate Zones for Ecotourism Development in Zanjan Province Using GIS. Geographical Research Quarterly, 27(3), 135-150.;
3. Ananda, J., & Herath, G. (2008). Multi-attribute preference modelling and regional land-use planning. Ecological economics, 65(2), 325-335.;
4. Atasoy, M. (2010). Monitoring land use changes in tourism centers with GIS: Uzungöl case study. Scientific Research and Essays, 5(8), 790-798.;
5. Azar, A., & Faraji, H. (2008). Fuzzy management science. Tehran: IMPSC.;