Medri, W., Soeiro, J. da C., Yotsumoto, A. S., Dalmas, J. C. and Nóbrega, M. M. (2012) “Probabilistic sampling in the control of quality for human consumption”, Semina: Ciências Exatas e Tecnológicas, 33(1), pp. 49–56. doi: 10.5433/1679-0375.2012v33n1p49.