@book{136443,
	author = {Stodolsky, Susan S.},
	title = {La importancia del contenido en la enseñanza},
	publisher = {Ediciones Paidós : Madrid},
	year = {1991.},
	series = {Temas de Educacion},
	address = {Barcelona},
	edition = {1. ed.},
	note = {Translation of: The subject matters : classroom activity in math and social studies.}
}