Marum, T. Et Al. 2011. From specific value to variable Developing students abilities to represent unknowns. 33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education , 106-113.

Marum, T., İŞLER, I., Stephens, A., Gardiner, A., Blanton, M., & Knuth, E., (2011). From specific value to variable Developing students abilities to represent unknowns . 33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education (pp.106-113).

Marum, Tim Et Al. "From specific value to variable Developing students abilities to represent unknowns," 33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education, 2011

Marum, Tim Et Al. "From specific value to variable Developing students abilities to represent unknowns." 33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education , pp.106-113, 2011

Marum, T. Et Al. (2011) . "From specific value to variable Developing students abilities to represent unknowns." 33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education , pp.106-113.

@conferencepaper{conferencepaper, author={Tim Marum Et Al. }, title={From specific value to variable Developing students abilities to represent unknowns}, congress name={33rd Annual Meeting of the NorthAmerican Chapter of the International Group for the Psychology of Mathematics Education}, city={}, country={}, year={2011}, pages={106-113} }