(3eMGVQGJ ai GdbGfhf GdOhdi GdYGe (B:s (3GdeONd hGdeYGgOGJ GdOhdjg (B/s - (3CMeO EScfOQis; (3eMeO fGUQ HhZRGdIs ((3GdbGgQg (B: s (3OGQ GdaLQ ddfTQ, s, 1998)
. 271-269 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeYGgOGJ hGdGJaGbGJ GdOhdjIs; (3GdbGfhf GdOhdj GdYGes