(3Qja HZOGO OQGSI JGQjNjI dGMhGdg GdGOGQjI hGdGbJUGOjI (B(575-656(3g(B/1179-1258(3e(B):s - (3GHQGgje ,fGLjI YHOGddgs ((3HZOGO(B:s (3hRGQI GdKbGaI ,s, 2012)
Keywords: (3HZOGO(B-(3JGQjNs