(3ehShYI Ydhe GdaVGA GdejSQI (B( 1 ) : (3GdUhGQjN heQcHGJ GdaVGAs - (3GdOShbj(B. (3eQGO GHQGgjes ((3OGQ GdcJGH GdeUQjs (3GdbGgQIs, 1991)
Keywords: (3GdaVGA (B- (3Ydhe (B- (3ehShYGJ GdaVGA GdUhGQjN s; (3eQcHGJ GdaVGA s