(3GdJQcGJ h GdhUGjG aj Gdabg GdESdGej (B/ s - (3GdMUQj, CMeOs ((3YeGf (B:s (3ecJHI GdCbUi,s, 1980)
Keywords: (3GdESdGes; (3Gdabgs; (3GdeYGedGJ (B((3abg ESdGej(B)s