@book{3312,
	author = {Piaget, Jean},
	title = {Psicología y pedagogía },
	publisher = {Lectulandia,},
	year = {1969.},
	address = {s.l.: },
	url = {http://biblioteca.usfa.edu.bo/cgi-bin/koha/opac-retrieve-file.pl?id=3e860e4afc6b5856d3f8f5ba43c116de}
}