WALKER, E., N. RUMMEL, and K. R. KOEDINGER. “INTEGRATING COLLABORATION AND INTELLIGENT TUTORING DATA IN THE EVALUATION OF A RECIPROCAL PEER TUTORING ENVIRONMENT”. Research and Practice in Technology Enhanced Learning, vol. 4, no. 3, Aug. 2022, pp. 221-5, https://rptel.apsce.net/index.php/RPTEL/article/view/2009-04009.