(3MQcI GdHfhc GdESdGejI;s (3MbGFb GdGUd hChgGe GdUhQI ,s - (3GMeO GdfLGQ s ((3GdbGgQI(B:s (3TQcI SHQjfJ,s, 1993)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3CYeGd GdHfhc GdESdGejIs