(3GdeZJQHhf(B: (3JLQHI GdgLQI GdHGcQI Edi CeQjcG s - (3fGa(B. (3EdjcSGs ((3OGQ OeTbs (3OeTbs, 1989)
(3aDGO CjhH (B- (3eJQLe (B-s
Keywords: (3GdgLQIs; (3GdESJjWGfs