(3fOhI GdJMOjGJ GdJj JhGLg GdCeI GdGSdGejI aj GdbQf GdebHd (B( (3GdYjf (B20 - 22 (3OjSeHQ (B1997 (3e (B) - (3GdLRA GdKGfj (B.s - (3LGeYI GdGeGQGJ GdYQHjI GdeJMOI (B. (3QGHWI GdLGeYGJ GdGSdGejI s ((3LGeYI GdGeGQGJ GdYQHjI GdeJMOIs (3CHh XHjs, 1997)
Keywords: (3GdGSdGe (B- (3JMOjGJ s; (3GdCeI GdGSdGejI (B- (3JMOjGJs