(3GdNWQ GdjghOj (B:s (3HQhJhchdGJ MceGA Ugjhf (B.s - (3GdJhfSj , eMeO NdjaI (B.s ((3HjQhJ (B:s (3OGQ GdcJGH GdYQHj ,s, 1961)
Keywords: (3HQhJhchdGJ McGe Ugjhf (B.s