Zotov, V., Ibrahim, I., Petunina, I., & Lazareva, Y. (2021). Retracted Article: Engagement of Students in Data Visualization for the Purpose of E-Learning Improvement. International Journal of Emerging Technologies in Learning (iJET), 16(02), pp. 46–64. https://doi.org/10.3991/ijet.v16i02.18745