Blanco, L.J.; Guerrero, E. y Caballero, A. (2013) Cognition and Affect in Mathematics Problem Solving with Prospective Teachers. The Mathematics Enthusiast. Special Issue : International Perspectives on Problem Solving Research in Mathematics Education. Guest Edited by Manuel Santos-Trigo & Luis Moreno-Armella (Mexico). Vol.10, No. 1 & 2 (January 2013). 335 - 365. En PDF: http://www.math.umt.edu/tmme/vol10no1and2/13-Blanco-et%20al_pp335_364.pdf