List of Articles urban green area Open Access Article Abstract Page Full-Text 1 - The Perception of Residence about Role of Non Government Organizations (NGOs) in Preserving the Urban Green Spaces in Tehran S. M. Mirdamadi S. Haji-Shafie Open Access Article Abstract Page Full-Text 2 - The investigation of oxygen production in urban parks (Case Study: Hashemi Park in Qom City) Elham Forootan Zahra Sadrabadi Open Access Article Abstract Page Full-Text 3 - The effect of plant distances on the Aleuroclava jasmini whitefly in the urban green area Mahsa Samiee fard S. momen Beitollahi Sh. Maleki M. Tehranchi