(3GdJQHjI GdMOjKI s - (3CfLjdG ejOjSjs; (3Ydj TGgjf (B((3JQLeI(B)s ((3dHfGfs (3efThQGJ YhjOGJ s, 1986)
Keywords: Social Sciences (3GdYdhe GdGLJeGYjIs; General