(3abg GdLeY Hjf GdUdGJjf aj GdMVQ HYPQ GdeWQ (B/s - (3Bd SdeGf, eTghQ Hf MSf Hf eMehO,s 1380 (3gLQjG(B-s ((3HjQhJ (B:s (3OGQ GHf MRe ddWHGYI hGdfTQ hGdJhRjY,s, 2000)
Keywords: (3GdUdGI (B((3abg ESdGej(B)s