Peter B. Pufall

Rethinking Childhood (The Rutgers Series in Childhood Studies)  Peter B. Pufall Richard P. Unsworth Paperback. Rutgers University Press, 2004-01-01 ISBN 9780813533650     Rethinking Childhood (The Rutgers Series in Childhood Studies)  Peter B. Pufall Richard P. Unsworth Hardcover. Rutgers University Press, 2003-12-09 ISBN 9780813533643     Piaget's Theory  Harry Beilin Peter B. Pufall Hardback. Lawrence Erlbaum Associates, Inc, 1992-05-31 ISBN 9780805810509     Constructivism In The Computer Age  George E. Forman Peter B. Pufall Hardback. Lawrence Erlbaum Associates, Inc, 1988-10-31 ISBN 9780805801019