(3GdbdGY (B/ s - (3SJjd, ajdjHs ((3GdLjRI (B:s (3OGQ GdaGQhb ddGSJKeGQGJ GdKbGajI,s, 2007)
Keywords: (3GdbdGYs; (3GdGWaGds; (3fGTGhf cHGQ (B(15-18) (3Sfgs