Vargas Hernández, G., M. I. González Lutz, A. Durán Quirós, and D. Mora Acedo. “Design of a System to Quantify Contamination Risks and Its Use in Identifying Critical Control Points in Horticultural Crops in Costa Rica”. Agronomía Costarricense, vol. 39, no. 2, Nov. 2015, doi:10.15517/rac.v39i2.21784.