Mastering maths skillsClive W. Barcham, Clive Barcham, Roy Bushell, Chris McDonnell · First published 1988Open the Tome
Staffordshire Mathematics Test for Diagnosis, Evaluation and PlanningRoy Bushell · First published 1986Open the Tome
Mapa de tierra santa para el peregrinoRoy Kreider, I. Blaushild, Gerard Bushell · First published 1970Open the Tome