(3GdJONd GdOhdj heCSGI GdHhSfI hGdgQSc (B/ s - (3UdGM YHO GdHOjY TdHjs ((3OefghQ (B: s [(3GdfGTQ ZjQ eMOO(B](3, s, 1996)
. 74-68 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfRGY Hjf GdOhds; (3GdbGfhf GdOhdj GdYGes