(3eUGOQ GdJQGK GdYQHj aj GddZI h GdeYGLe h GdCOH h GdJQGLe (B/ s - (3GdObGb, YeQs ((3MdH (B:s (3GdecJHI GdYQHjI,s, 1968)
Keywords: (3GdehGO GdeQLYjIs; (3ESJNOGe GdeQGLYs