(3eMeO LYaQ GHh GdJef(B:s (3OQGSI aj GdRYGeI GdSjGSjI GdYQGbjI (B:s - (3GdJejej ,NGdOs ((3OeTb(B:s (3OGQ GdhQGb ,s, 1996)
Keywords: (3GdYQGb(B-(3JGQjN (B-(3GdYUQ GdMOjK (B-(3GdGMJdGd GdHQjWGfjs