(3GShGb GdGhQGb GdeGdjI GdYQHjI (B:s (3JfXjegG , GOhJgG , hGhVGY GdJYGed ajgG (B.s ((3GdchjJ (B:s (3GdeDSSI GdYQHjI dVeGf GdGSJKeGQ ,s, 1985)
Keywords: (3GdfbhO (B- (3GdOhd GdYQHjI (B.s