Mehrdadi, Naser, Nabi Bidhendi, Gholam Reza, Baghvand, Akbar, Zare Abyaneh, Hamid, Abbasi Maedeh, Pouyan (2012). Parameters of predicted changes in the Electrical Conductivity of groundwater in Tehran city with the help of neural network. *Human & Environment*, 10(32), 13-25.