Tamanini, Ronaldo, et al. “Microbiological Quality Evaluation and Pasteurization Enzymatic Parameters in Type ‘C’ Milk Produced in the North of Paraná State, Brazil”. Semina: Ciências Agrárias, vol. 28, no. 3, Aug. 2007, pp. 449-54, doi:10.5433/1679-0359.2007v28n3p449.