1. Appanna, S.: A review of benefits and limitations of online learning in the context of the student, the instructor and the tenured faculty. Int. J. E-Learn. 7, 5–22 (2008)
2. Atzmueller, M.: Subgroup discovery. WIREs Data Min. Knowl. Discovery 5(1), 35–49 (2015)
3. Dekker, G., Pechenizkiy, M., Vleeshouwers, J.: Predicting students drop out: a case study. In: Proceedings of the Educational Data Mining, pp. 41–50 (2009)
4. Heng, K., Sol, K.: Online learning during COVID-19: key challenges and suggestions to enhance effectiveness. Cambodian Education Forum (2020)
5. Kassymova, G., Issaliyeva, S., Aigerim, K.: E-learning and its benefits for students. Pedagogics and Psychology, pp. 249–255 (2019)