By Lawrence, Evelyn.
Barcelona : Ediciones Paidos Ibérica, 1982 .
113 p. , Contents: 1. Children's ideas of number: Summary [by] Evelyn Lawrence; The teacher and Piaget's work on number [by] T.R. Theakston. 2. The wider significance of Piaget's work [by] Nathan Issacs. 3. Piaget and progressive education [by] Nathan Issacs. 11th edition. 8475091709

By Lawrence, Evelyn.
Barcelona Ediciones Paidos Iberica 1982 .
113 p. , Translation of : Some aspects of Piaget's work.