Meza-Cascante, L.G., Suárez Valdés-Ayala, Z. and Schmidt-Quesada, S. (trans.) (2015) “The Attitude of Math Teachers toward Cooperative Learning and Institutional Elements that May Help or Hinder its Use as a Teaching Methodology”, Revista Electrónica Educare, 19(1), pp. 3–24. doi:10.15359/ree.19-1.1.