(3Yde GdaQGFV h GdMbhb GdJQcGJ h GdhUGjG (B:s (3hGdbVGjG GdeJYdbI HgeG aj Gdabg GdGSdGej GdebGQf (B/ s - (3GdMUQj, CMeOs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1992)
Keywords: (3Gdabg GdESdGej(B.s; (3GdehGQjK(B.s