(3GdCOH GdacGgj (B/ s - (3TQa, YHO GdYRjRs ((3GdbGgQI (B:s (3GdTQcI GdeUQjI GdYGdejI ddfTQ (B- (3dhfLeGf,s, 1992)
Keywords: (3GdacGgI h GdfhGOQs