(3GdacQ GdSjGSi GdGSQGFjdi bHd GdGfJaGVI hHYO GdGfJaGVI (B/ s - (3fhGa GdRQhs; (3GSYO YHOGdQMefs ([S.N] : (3OGQ GdTQhb , s, 1990)
Keywords: (3GdGMhGd GdSjGSjIs; (3GSQGFjds; (3GdbVjI GdadSWjfjIs; (3GdOHdheGSjIs