@book{73911,
	author = {MACHADO, NILSON JOSE, 1947 and BALZI, JUAN JOSE},
	title = {LOGICA? E LOGICO!},
	publisher = {SCIPIONE},
	year = {1991},
	address = {SAO PAULO},
	edition = {3 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=89435&vHistoryNovo=sim}
}