(3Mbhb GdEfSGf hGdCbdjGJ Hjf GdESdGe hGdZQH (B: s (3OQGSI ebGQfI (B/ s - (3CHh MSGf, eMeO s; (3Ydj, hLOGfs; (3GdCfHGQj, MSf s; (3GdcGjO, HGSd s ((3YeGf, GdCQOf (B: s (3GdeYgO GdOHdheGSj GdCQOfj, s, 2000)
(3HHdjhLQGajI (B: (3UaMI (B53-58.s
Keywords: (3GdESdGe hGdZQH s; (3GdESdGe GdCbdjGJs; (3GdESdGe hMbhb GdEfSGf s