Lindsey, Beth A., Stetzer, MacKenzie R., Speirs, J. Caleb, Ferm, William N., and van Hulten, Alexander. Investigating student ability to follow reasoning chains: The role of conceptual understanding. Retrieved from https://par.nsf.gov/biblio/10464161. Physical Review Physics Education Research 19.1 Web. doi:10.1103/PhysRevPhysEducRes.19.010128.

Lindsey, Beth A., Stetzer, MacKenzie R., Speirs, J. Caleb, Ferm, William N., & van Hulten, Alexander. Investigating student ability to follow reasoning chains: The role of conceptual understanding. Physical Review Physics Education Research, 19 (1). Retrieved from https://par.nsf.gov/biblio/10464161. https://doi.org/10.1103/PhysRevPhysEducRes.19.010128

Lindsey, Beth A., Stetzer, MacKenzie R., Speirs, J. Caleb, Ferm, William N., and van Hulten, Alexander. "Investigating student ability to follow reasoning chains: The role of conceptual understanding". Physical Review Physics Education Research 19 (1). Country unknown/Code not available. https://doi.org/10.1103/PhysRevPhysEducRes.19.010128. https://par.nsf.gov/biblio/10464161.

@article{osti_10464161,
place = {Country unknown/Code not available}, title = {Investigating student ability to follow reasoning chains: The role of conceptual understanding}, url = {https://par.nsf.gov/biblio/10464161}, DOI = {10.1103/PhysRevPhysEducRes.19.010128}, abstractNote = {}, journal = {Physical Review Physics Education Research}, volume = {19}, number = {1}, author = {Lindsey, Beth A. and Stetzer, MacKenzie R. and Speirs, J. Caleb and Ferm, William N. and van Hulten, Alexander}, }