@book{52758,
	author = {CHURCHMAN, CHARLES WEST, 1913 and GUIMARAES, FRANCISCO M.},
	title = {INTRODUCAO A TEORIA DOS SISTEMAS},
	publisher = {VOZES},
	year = {1972},
	address = {PETROPOLIS},
	edition = {2 ed.},
	note = {NOTAS DE RODAPE.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=66362&vHistoryNovo=sim}
}