Document Type : .
Authors
1 General director,department of sodio-economic statistics of household
2 Assistant professor, Researches center, Ministry of Agricultural Jihad, Tehran, Iran
3 Assistant Professor, Azad university, Garmsar unit, Semnan Province
4 department of Sociology, college of humanities and social sciences, research and sciences branch, Azad Islamic university, Tehran, Iran.
5 Assistant Professor, Azad university, Roudehen unit, Tehran Province
Abstract
Keywords