Xie, Benjamin, Loksa, Dastyni, Nelson, Greg L., Davidson, Matthew J., Dong, Dongsheng, Kwik, Harrison, Tan, Alex Hui, Hwa, Leanne, Li, Min, and Ko, Andrew J. A theory of instruction for introductory programming skills. Retrieved from https://par.nsf.gov/biblio/10107744. Computer Science Education 29.2-3 Web. doi:10.1080/08993408.2019.1565235.

Xie, Benjamin, Loksa, Dastyni, Nelson, Greg L., Davidson, Matthew J., Dong, Dongsheng, Kwik, Harrison, Tan, Alex Hui, Hwa, Leanne, Li, Min, & Ko, Andrew J. A theory of instruction for introductory programming skills. Computer Science Education, 29 (2-3). Retrieved from https://par.nsf.gov/biblio/10107744. https://doi.org/10.1080/08993408.2019.1565235

Xie, Benjamin, Loksa, Dastyni, Nelson, Greg L., Davidson, Matthew J., Dong, Dongsheng, Kwik, Harrison, Tan, Alex Hui, Hwa, Leanne, Li, Min, and Ko, Andrew J. "A theory of instruction for introductory programming skills". Computer Science Education 29 (2-3). Country unknown/Code not available. https://doi.org/10.1080/08993408.2019.1565235. https://par.nsf.gov/biblio/10107744.

@article{osti_10107744,
place = {Country unknown/Code not available}, title = {A theory of instruction for introductory programming skills}, url = {https://par.nsf.gov/biblio/10107744}, DOI = {10.1080/08993408.2019.1565235}, abstractNote = {}, journal = {Computer Science Education}, volume = {29}, number = {2-3}, author = {Xie, Benjamin and Loksa, Dastyni and Nelson, Greg L. and Davidson, Matthew J. and Dong, Dongsheng and Kwik, Harrison and Tan, Alex Hui and Hwa, Leanne and Li, Min and Ko, Andrew J.}, }