(3TYQ GdWHjYI ai GdGOH GdeUQi (B( (3GdbQf GdQGHY GdgLQi (B) / s - (3YhV Ydi GdZHGQis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1989)
Keywords: (3GdGOH GdYQHis; (3GdTYQ GdhUais; (3eUQs; (3JGQjN hfbOs; (3TYQ GdWHjYIs; (3GdGOH GdYQHi (B- (3eUQ GdGSdGejIs