nigella sativa has attracted healers in ancient civilizations and researchers in recent times. traditionally, it has been used in different forms to treat many diseases including asthma, hypertension, diabetes, inflammation, cough, bronchitis, headache, eczema, fever, dizziness and influenza. experimentally, it has been demonstrated that n. sativa extracts and the main constituent of their vola...

local community participation in development programs has a long history and wide range of development agencies have tried to involve people in development plans should. in this context, the main purpose of this study was to assess feasibility of participatory management of urban parks, in city of karaj. the study applied a descriptive-survey method of research. the statistical population inclu...