@book{68387,
	author = {RAMOS, LUZIA FARACO and CRIS},
	title = {FRACOES SEM MISTERIOS},
	publisher = {ATICA},
	year = {2008},
	address = {SAO PAULO},
	edition = {19 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=83722&vHistoryNovo=sim}
}