TY - JOUR TI - A system dynamics modeling for urban air pollution: A case study of Tehran, Iran PY - 2014 AU - Hamed Vafa-Arani AU - Salman Jahani AU - Hossein Dashti AU - Jafar Heydari AU - Saeed Moazen T2 - Transportation Research Part D: Transport and Environment LK - http://www.sciencedirect.com/science/article/pii/S1361920914000510 DO - 10.1016/j.trd.2014.05.016 ER -