@article {13358,
	title = {Graphical representation of functions using technology: a window to teacher knowledge},
	journal = {Teaching Mathematics and its Applications},
	volume = {39},
	year = {2020},
	pages = {105-126},
	url = {https://academic.oup.com/teamat/article-abstract/39/2/105/5618956?redirectedFrom=fulltext},
	author = {Rocha, H.}
}
