Ellis, A. B. Et Al. 2013. Correspondence and covariation: Quantities changing together. 34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education , (Illinois, United States Of America), 119-126.

Ellis, A. B., Özgür, Z., Kulow, T., Doğan, M. F., Williams, C. C., & Amidon, J., (2013). Correspondence and covariation: Quantities changing together . 34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (pp.119-126). Illinois, United States Of America

Ellis, Amy Et Al. "Correspondence and covariation: Quantities changing together," 34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Illinois, United States Of America, 2013

Ellis, Amy B. Et Al. "Correspondence and covariation: Quantities changing together." 34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education , Illinois, United States Of America, pp.119-126, 2013

Ellis, A. B. Et Al. (2013) . "Correspondence and covariation: Quantities changing together." 34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education , Illinois, United States Of America, pp.119-126.

@conferencepaper{conferencepaper, author={Amy B Ellis Et Al. }, title={Correspondence and covariation: Quantities changing together}, congress name={34th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education}, city={Illinois}, country={United States Of America}, year={2013}, pages={119-126} }