@book{25621,
	author = {ANDRAUS, SYLVIO and SANTOS, UDMYR P.},
	title = {MATEMATICA: 1 GRAU: 6 SERIE},
	publisher = {ATUAL},
	year = {1977},
	address = {SAO PAULO},
	edition = {1 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=33252&vHistoryNovo=sim}
}