(3GdYdGbGJ GdOhdjI aj GdYUhQ GdhSWi (B: s (3CKQ GdMVGQI GdYQHjI GdESdGejI aj JWhjQ GdYdGbGJ GdOhdjI HGdWGHY GdEfSGfj (B/s - (3SejQ YHO GdefYe CHh GdYfjfs ((3GdbGgQI (B:s [(3GdfGTQ ZjQ eMOO(B],s, 1989)
. 267-227 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdYdGbGJ GdOhdjIs; (3GdbGfhf GdOhdj GdYGes