(3EOGQI GdeUGQa GdJbdjOjI hGdeUGQa GdESdGejI (B:s (3eONd ebGQf (B/s - (3eMeO Shjdes ((3GdbGgQI (B:s (3OGQ GdWHGYI GdMOjKI,s, 1987)
(3HHjdhLQGajG UaMI (B629.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3CYeGd GdHfhc s -- (3GdHfhc GdESdGejIs