@article{ author = {Eskandari, Malihe, Taghavi fard, Mohamad Taghi, Raeesi Vanani, Iman, ghazinouri, soroush}, title = {An Intelligent Hybrid Model for Determining Public-Private Partnership method in Iranian Water and Wastewater Industry Based on Collective Tree Algorithms}, journal = {Modiriat-e- farda}, year = {2020}, volume = {19}, number = {62}, pages = {0-0}, doi = {} }