Document Type : Research Paper
Authors
1 Ph.D. Student, Sociology, Social Groups, Science and Research Branch, Islamic Azad University, Tehran, Iran.
2 Ph.D. Full Professor, Sociology, Faculty of Social Sciences, Tehran University, Tehran, Iran.
3 Ph.D. Associate Professor, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
4 Ph.D. Assistant Professor, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
Keywords