(3JgPjH GdceGd aj CSeGA GdQLGd (B/s - (3GdeRj, jhSa Hf YHO GdQMef Hf jhSa,s 654-742 (3g`(B.s; (3eYQha, HTGQ YhGOs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1998)
Keywords: (3GdMOjKs -- (3JQGLes