(3gOj GdSGQj ebOeI aJM GdHGQj TQM UMjM GdHNGQj (B/ s - (3GdYSbdGfj, CMeO Hf Ydj Hf MLQs ((3GdQjGV (B:s (3OGQ GdSdGe,s, 1997)
Keywords: (3GdOjf GdGSdGejs; (3GdMOjK GdTQjas; (3UMjM GdHNGQjs