@book{12687,
	author = {Piaget, Jean, and Piaget, Jean,},
	title = {To understand is to invent},
	publisher = {Grossman Publishers},
	year = {1973.},
	address = {New York},
	note = {Translation of Où va l'éducation and Le droit à l'éducation dans le monde actuel which were written for UNESCO in 1971 and 1948 respectively.}
}