Tryphon, Anastasia

Working with Piaget: Essays in Honour of Barbel Inhelder  Tryphon, Anastasia (EDT) Voneche, Jacques (EDT) Paperback. Psychology Press, 2016-03-03 ISBN 9781138877191     Piaget Vygotsky: The Social Genesis of Thought  Tryphon Anastasia Tryphon J. Jacques Voneche Hardcover. Psychology Pr, 1996-05-01 ISBN 9780863774133