Basic colour-factor guide: A 20th century structural approach to mathematics teaching
Pollock Seton 
Basic colour-factor guide: A 20th century structural approach to mathematics teaching - London, UK Heinemann Educational Books Ltd 1965 - vii,246p
Textual
                        Basic colour-factor guide: A 20th century structural approach to mathematics teaching - London, UK Heinemann Educational Books Ltd 1965 - vii,246p
Textual
