@book{35737,
	author = {ALENCAR FILHO, EDGARD DE, 1913},
	title = {CURSO DE TRIGONOMETRIA PLANA},
	publisher = {NOBEL},
	year = {1969},
	address = {SAO PAULO},
	edition = {9 ed.},
	note = {BIBLIOGRAFIA},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=45828&vHistoryNovo=sim}
}