(3GdNWGHI aj UOQ GdESdGe (B/ s - (3OQhjT, eMeO WGgQs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1968)
(3GdeMJhjGJ (B1. (3L(B1- (3GdYUQ GdOjfj (B- (3YUQ GdHYKI GdESdGejI (B2. (3L(B2- (3GdYUQ GdSjGSj (B- (3YUQ GdOhdI GdCehjIs
Keywords: (3GdCOH GdYQHjs; (3GdNWGHIs