Maurício, A.A. and Matioli, G. 2008. Analysis of the stages of purchase, storage and preparation of perishable food by school parents in a city in northeast Paraná state. Ciência, Cuidado e Saúde. 3, 3 (Oct. 2008), 253-260. DOI:https://doi.org/10.4025/ciencuidsaude.v3i3.5392.