spatial organizations of each region are evolved through the activity of its settlement network. the formation procedure of settlement network is affected by the natural environment, social and economical structure, political and historical events. natural environment, social and economical structure of the city of talesh, have not permitted the permanent settlement and urbanism in this region....

in recent years, natural disasters and the accompanying health risks have become more frequent, and rehabilitation work has become an important part of government performance. on one hand, social networks play an important role in participants' therapeutic community participation and physical & mental recovery. on the other hand, therapeutic communities with widespread participation can also co...

all organizations have structure. researchers emphasized the importance of the organizational structure to achieve the goals and mission of an organization. thus performance assessment of organizing is essential for managers and decision makers to find weaknesses and eliminate them. organizations are designed by different methods and process, based on same principles and theories. in this study...

substance abuse treatment network in iran, with nearly three thousand outpatient treatment centers, one thousand residential treatment centers, some general and specialized in-patient centers and more than ten thousand care givers; like medical doctors, psychologists, psychiatrists, nurses and social workers construct one of the main components of iran health organization, although may “not cou...