Eskandari, Malihe, Taghavi fard, Mohamad Taghi, Raeesi Vanani, Iman, ghazinouri, soroush. An Intelligent Hybrid Model for Determining Public-Private Partnership method in Iranian Water and Wastewater Industry Based on Collective Tree Algorithms. Modiriat-e- farda. 2020;19(62):0-0. doi: