Early Growth of Logic in the Child Classification and Seriation Piaget, Jean Innbundet / 1999 / Engelsk
Origin of the Idea of Chance in Children (Psychology Revivals) Piaget, Jean Innbundet / 2014 / Engelsk
Learning and the Development of Cognition (Psychology Revivals) Inhelder Barbel Innbundet / 2014 / Engelsk
Learning and the Development of Cognition (Psychology Revivals) Inhelder Barbel Heftet / 2015 / Engelsk