@book{50986,
	author = {MARTINS, CARIOLANO M.},
	title = {MATEMATICA COMERCIAL E FINANCEIRA},
	publisher = {ALVARES PENTEADO},
	year = {1949},
	address = {SAO PAULO},
	edition = {4 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=63865&vHistoryNovo=sim}
}