(3GdeUMa h GdSja (B: s (3UQGY GdOjf h GdOhdI aj eUQ (B: (3QDjI ChdjI ddbVGjG GdCSGSjI (B/ s - (3YHO GdaJGM, fHjds ((3GdbGgQg (B:s (3ecJHI eOHhdj,s, 1984)
Keywords: (3GdENhGf GdeSdehfs; (3eUQs; (3GdCMRGH GdOjfjIs; (3GdJGQjN GdSjGSjs