(3GdLGfH GdNaj ef JGQjN GdHJQhds - (3Oh dhfGjs ((3OGQ WdGSs (3OeTbs, 1987)
(3JQLeI eMeO SejM GdSjOs
Keywords: (3UfGYI GdHJQhds; (3GdHJQhd (B- (3JGQjN s