References
- 김진형, '4차산업혁명, 인공지능 시대의 교육', STSS지속가능과학회 학술대회, pp. 21-29, 2016.
- '2016년 초중고 사교육비조사 보고서', 통계청 2017.
- http://cemware.com/ (accessed Dec., 31, 2017).
- http://www.mathcodi.snu.ac.kr/ (accessed Dec., 31, 2017).
- https://mathsolutions.com/what-we-offer/math-180/ (accessed Dec., 31, 2017).
- http://knowre.com/ (accessed Dec., 31, 2017).
- http://www.javamath.com/ (accessed Dec., 31, 2017).
- https://www.bapul.net/ (accessed Dec., 31, 2017).
- https://www.matamath.net/ (accessed Dec., 31, 2017).
- https://www.wolframalpha.com/ (accessed Dec., 31, 2017).
- http://allenai.org/ (accessed Sep., 30, 2016).
- https://www.carnegielearning.com/ (accessed Dec., 31, 2017).