(3MQhH GdGTHGM (B: s (3GdSLd GdNai d GdSi Gi Gjg d GaZGfSJGf hd Hf dGOf (B/s - (3chd , SJjas ((3HjQhJ (B:s (3TQcI GdeWHhYGJ ddJhRjY hGdfTQ,s, 2008)
Keywords: (3Hf dGOfs; (3GdeNGHQGJ GdGeQjcjI s; (3GdGQgGHs; (3GMeO TGg eSYhOs; (3GaZGfSJGfs