(3GdGUhd GdJGQjNjI ddeTcdI GdGQjJQjI (B/ s - (3GdSjO QLH GdLRGQs ([S.N] : (3eYgO GdHMhK hGdOQGSGJ GdYQHjI , s, 1977)
Keywords: (3JGQjNs; (3MQcGJ GdJMQjQs; (3GdGeHQGWhQjI GdYKeGfjIs; (3GdefGRYGJ GdOhdjIs; (3GKjhHjGs