@book{3020,
	author = {KEPPE, NORBERTO R., 1927},
	title = {LIBERTACAO (A): O PROBLEMA, A DIALETICA, A CONSCIENTIZACAO},
	publisher = {ED. PROTON},
	year = {1983},
	address = {SAO PAULO},
	edition = {2 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=6131&vHistoryNovo=sim}
}