(3YHOGdhgGH GdHjGJi ef GdTjN Gdi bQWHI (B/ s - (3hdjO ZGFH UGdM (B((3eJQLe hcJGHI(B)s ([S.N] : (3OGQ GdMOGKI , s, 1992)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3JGQjN hfbOs