(3CjOjhdhLjG UMGaI GdEfJQfJ (B/s - (3GdCdhSj, SDOO aDGOs ((3GdGQOf(B-(3YeGf (B:s (3OGQ CSGeI ddfTQ h GdJhRjY ,s, 2012)
(3HjHd(B.(3U(B.271-272s
Keywords: (3GdCjOjhdhLjGs; (3THcGJ GdeYdheGJs