@ARTICLE {
	AUTHOR = "Grecia Galvez and Diego Cosmelli and Lino Cubillos and Paul Leger and Arturo Mena and {\'E}ric Tanter and Ximena Flores and Gina Luci and S Montoya and Jorge Soto Andrade",
	TITLE ="Estrategias Cognitivas para el C{\'a}lculo Mental",
	JOURNAL = "Revista Latinoamericana de Investigaci{\'o}n en Matem{\'a}tica Educativa",
	VOLUME = "14",
	NUMBER = "1",
	PAGES = "9-40",
	MONTH = "Mar",
	YEAR = "2011",
	PUBLISHER = "Comit{\'e} Latinoamericano de Matem{\'a}tica Educativa",
	ADDRESS = "Mexico",
	ISSN = "1665-2436"
	}