@proceedings {5732,
	title = {Teachers{\textquoteright} use of graphing calculators in high school mathematics classroom},
	journal = {Proceedings of CERME 7 {\textendash} Seventh Congress of European Research in Mathematics Education},
	year = {2011},
	publisher = {ERME},
	address = {Rzez{\'o}w, Poland},
	author = {Rocha, H.}
}
