@inbook{ Castro_CASTRO:465-472,

author = { Elena Castro Rodríguez and ENRIQUE CASTRO MARTINEZ } ,

title = { Prospective primary teachers' conceptual understanding of mathematical problems and problem solving },

booktitle = { Proceedings of the 42nd Conference of the International Group for the Psychology of Mathematics Education },

isbn = { 978-91-7601-904-7 },

publisher = { PME },

pages = { 465 - 472 },

year = { 2018 },

}