(3GdUQGY GdYQHj GdESQGFjdj aj NQGFW (B.s - (3NjQjI bGSejI s (3GdOcJhQI s; (3MhQjI eMeO MSf s ((3eUQ (B:s (3eYgO GdHMhK hGdOQGSGJ GdYQHjI (B,s, 1979)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3YdGbGJ OhdjI s; (3GdbVjI GdadSWjfjI (B.s