(3OYGFe UMI GdaQO GdfaSjI(B:s (3GdGeQGV GdfaSjI(B- (3GdGeQGV GdYbdjI(B- (3eTcdGJ GdGWaGd hYdGLgG(B- (3cja jMGaX GdaQO Ydi UMJg GdfaSjI(B/s - (3GdgGHW, eMeO GdSjOs ((3GdGScfOQjI(B:s (3GdecJH GdLGeYj GdMOjK,s, 1987)