(3HdjR HScGd hadSaI GdGfSGf (B/ s - (3QGhjI YHOGdefYe YHGSs ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1986)
Keywords: (3GdadSaI hGdOjfs; (3GdadSaI GdGhQHjIs; (3GdGfSGfjGJs