Heydari, M., A. Honarbakhsh, M. Pajoohesh, and M. Zangiabadi. “Land Use Optimization Using the Fuzzy Mathematical-Spatial Approach: A Case Study of Chelgerd Watershed, Iran”. Journal of Environmental Engineering and Landscape Management, vol. 26, no. 2, June 2018, pp. 75-87, doi:10.3846/16486897.2017.1350688.