@book{106457,
	author = {GUELLI NETO, OSCAR AUGUSTO, 1943},
	title = {DANDO CORDA NA TRIGONOMETRIA},
	publisher = {ATICA},
	year = {1993},
	address = {SAO PAULO},
	edition = {1 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=122755&vHistoryNovo=sim}
}