Critical issues in mathematics education - Brian Greer –; Bill Atweh –; Eva Jablonka –; Hamsa Venkat –; Cecilia Agudelo-Valderrama –; Roza Leikin –; Fiona Walls –; Alexandre Pais –; Monica Mesquita –; Paul Ernest –; Peter Charles Taylor –; Gelsa Knijnik –; et al. (IAP, 2009)