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Ruiz-Reyes, K., Begué, N., Batanero, C. y Contreras, J.M. 2017. Un estudio comparado de los contenidos de muestreo en la Educación Secundaria Obligatoria en Chile <br> A comparative study of sampling contents in the Chilean curriculum for compulsory secondary education. Educação Matemática Pesquisa. 19, 3 (dic. 2017), 67–83. DOI:https://doi.org/10.23925/1983-3156.2017v19i3p67-83.