1. Kishimoto, M., Kaneko, K.: Implementation of logic circuit simulator for educational use. IEICE Tech. Rep. 101(609), 61–67 (2002). (in Japanese)
2. Donzellini, G., Ponta, D.: A simulation environment for e-learning in digital design. IEEE Trans. Industr. Electron. 54(6), 3078–3085 (2007)
3. Yang, O., Shiping, Y., Yabo, D., Miaoliang, Z.: Web-based interactive virtual laboratory system for digital circuit experiment. In: Iskander, M. (ed.) Innovations in E-learning, Instruction Technology, Assessment, and Engineering Education, pp. 305–309. Springer, Dordrecht (2007). 10.1007/978-1-4020-6262-9_53
4. Japan Science and Technology Agency: e-learning, Digital Circuits Course.
https://jrecin.jst.go.jp/seek/html/e-learning/701/index_701.html
. Accessed 18 Jan 2020
5. Ishihata, H.: Support tool for logic circuit course. IEICE Tech. Rep. 114(513), 65–69 (2015). (in Japanese)