@inbook{ GÓMEZ_González-López-:179-188,

author = { PEDRO GÓMEZ GUZMÁN and María José González-López- } ,

title = { ANALYZING AND SELECTING TASKS FOR MATHEMATICS TEACHING: A HEURISTIC },

booktitle = { MATHEMATICAL ACTION & STRUCTURES OF NOTICING: STUDIES INSPIRED BY JOHN MASON },

isbn = { 978-94-6091-029-6 },

publisher = { Sense Publishers },

pages = { 179 - 188 },

year = { 2009 },

}