(3GdEfSGf hGdHjFI(B: (3eQLY aj GdYdhe GdHjFjI ddJYdje GdYGdj hGdLGeYjs - (3EHQGgje GdfMGds; (3UHMj GdbGSes; (3CMeO OjH OTGT s; (3eUWai YHOGdYRjR (B((3JMQjQ(B)s ((3GdbGgQIs (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhes, 1978)
Keywords: Social Sciences (3GdYdhe GdGLJeGYjIs; General