(3OjGfI eUQ GdaQYhfjI (B: s (3GdhMOGfjg h GdJYOOjg (B/ s - (3ghQfhfL, CQjcs; (3Wg, eMehO eGgQs; (3CHh GdNjQ, eUWais (1995)
Keywords: (3GdOjGfGJ GdbOjeIs; (3GdaQGYfIs; (3JGQjN eUQ GdbOjeIs