Tawfik, Andrew A., Kim, Kyung, and Kim, Dongho. Effects of case library recommendation system on problem solving and knowledge structure development. Retrieved from https://par.nsf.gov/biblio/10207666. Educational Technology Research and Development 68.3 Web. doi:10.1007/s11423-020-09737-w.

Tawfik, Andrew A., Kim, Kyung, & Kim, Dongho. Effects of case library recommendation system on problem solving and knowledge structure development. Educational Technology Research and Development, 68 (3). Retrieved from https://par.nsf.gov/biblio/10207666. https://doi.org/10.1007/s11423-020-09737-w

Tawfik, Andrew A., Kim, Kyung, and Kim, Dongho. "Effects of case library recommendation system on problem solving and knowledge structure development". Educational Technology Research and Development 68 (3). Country unknown/Code not available. https://doi.org/10.1007/s11423-020-09737-w. https://par.nsf.gov/biblio/10207666.

@article{osti_10207666,
place = {Country unknown/Code not available}, title = {Effects of case library recommendation system on problem solving and knowledge structure development}, url = {https://par.nsf.gov/biblio/10207666}, DOI = {10.1007/s11423-020-09737-w}, abstractNote = {}, journal = {Educational Technology Research and Development}, volume = {68}, number = {3}, author = {Tawfik, Andrew A. and Kim, Kyung and Kim, Dongho}, editor = {null} }