(3GdefLO GdGYOGOjs ((3HjQhJ(B[(3dHfGf(B] (3; s (3OGQ GdeTQb,GdeWHYI GdcGKhdjcjI,s, 1986)
(3JRjfgG (B66 (3dhMI h (B15 (3NQjWIs
Keywords: (3GddZI GdYQHjIs -- (3eYGLes