Peter L. Seaborne

L. S. · P S · Peter L.

titleISBN-13year of publication
Arithmetic Operators978-0-7159-0158-81975
Dienes Logiblocs: An Introduction for Teachers978-0-7159-0135-91972
Dienes Relations Plates978-0-7159-0131-11971
Introducing Notation978-0-7159-0156-41974
Operator Linking Plates978-0-7159-0138-01971
Systems of Sets978-0-7159-0146-51973

Peter L. Sheras