Cukurova, Mutlu, Madiha Khan-Galaria, Eva Millán, and Rose Luckin. “A Learning Analytics Approach to Monitoring the Quality of Online One-to-One Tutoring”. Journal of Learning Analytics 9, no. 2 (May 1, 2022): 105-120. Accessed September 27, 2022. https://learning-analytics.info/index.php/JLA/article/view/7411.