(3fKQ GdLhgQ Ydi MOjK CHj PQ (B/ s - (3GdThcGfj, eMeO Ydjs; (3GdeUdMj, CMeO Hf eMeOs ((3HjQhJ (B:s (3OGQ GHf MRe,s, 2000)
Keywords: (3GdMOjK GdTQjas; (3Ydhe GdMOjKs