(3cTa CdYGH GdNaI h GdSMQ HhGbYgG GdYdej (B/ s - (3SJhOGQO, GOhGQOs; (3TjG, SejMs ((3OeTb (B:s (3OGQ GdeYQaI,s, 1994)
Keywords: (3GdSMQ h GdJfLjes