This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

This is Volume XIX of thirty-two in a series on Developmental Psychology. Originally published in 1960. There are certain problems of a general nature in regard

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

′What a super book! It is absolutely packed with practical ideas and activities to help you love maths, and love teaching and/or learning it. It certainly hel

This book was first published in 1967. This volume presents two areas of Piaget's work on the child's conception of Geometry and then also to Space which were i