@inproceedings{ Gallego-espejo_Bracho-López_ADAMUZ_Jiménez-Fanjul,

author = { Mª Carmen Gallego-espejo and Rafael Bracho-López and NATIVIDAD ADAMUZ POVEDANO and Noelia Jiménez-Fanjul } ,

title = { Fewer Rules, More Sense. Open Calculation Method Based on Numbers (ABN) versus traditional algorithms in second graders },

booktitle = { ECER 2014 PORTO- EUROPEAN CONFERENCE ON EDUCATIONAL RESEARCH },

year = { 2014 },

pages = { None - None },

location = { UNIVERSIDAD DE PORTO, PORTUGAL },

}