G. B. Athayde Júnior, F. L. Onofre, e L. B. de S. Beserra, “<b>Tax calculation proposal for waste collection based on the amount of residential solid waste</b> - doi: 10.4025/actascitechnol.v36i1.16933”, Acta Sci. Technol., vol. 36, nº 1, p. 15–21, jan. 2014.