Delgado, G. “Evaluation of the Homogeneity of the Sample and Laboratory Studies of Intermediate Precision in the Determination of Aflatoxins in Peanut Export”. Universitas (León): Revista Científica De La UNAN León, vol. 5, no. 1, Sept. 2014, pp. 11-25, doi:10.5377/universitas.v5i1.1477.