(3fXQjGJ GdGbJUGO Gdcdi GdMOjKI (B/s - (3SGei Ndjds ((3GdchjJ (B:s [(3GdfGTQ ZjQ eMOO(B],s, 1994)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs