@book{93387,
	author = {Lawrence, Evelyn},
	title = {La comprensión del número y la educación progresiva del niño según Piaget /},
	publisher = {Ediciones Paidos Ibérica,},
	year = {1982.},
	address = {Barcelona :},
	note = {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.}
}