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