List of Articles آب بدون درآمد Open Access Article Abstract Page Full-Text 1 - Review water tariff systems in European countries in order to water demand management strategies عبدالرحیم رحیمی رمضانعلی محمودی مجید کلانتری محمد داودآبادی سید علی سید زاده Open Access Article Abstract Page Full-Text 2 - Evaluating Parameters Influencing the Emergence and Increase of Non-Revenue Water Using Bayesian Networks (Case Study: District 4 of Tehran Water and Wastewater Company) Massoud Tabesh Niousha Rasi Faghihi Abbas Roozbahani Bardia Roghani Reza Heidarzadeh Sattar Salehi