@book{50996,
	author = {BECKENBACH, EDWIN F. and DROOYAN, IRVING},
	title = {COLLEGE ALGEBRA},
	publisher = {WADSWORTH PUBLISHING COMPANY},
	year = {1967},
	address = {BELMONT},
	edition = {6 ed.},
	note = {APENDICES. SIXTH PRINTING},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=63875&vHistoryNovo=sim}
}