Ig Ibert Bittencourt Mutlu Cukurova Kasia Muldner Rose Luckin Eva Millán Artificial Intelligence in Education - 21st International Conference, AIED 2020, Ifrane, Morocco, July 6-10, 2020, Proceedings, Part II AIED (2) Springer 2020 Lecture Notes in Computer Science 12164 978-3-030-52239-1 978-3-030-52240-7 https://doi.org/10.1007/978-3-030-52240-7 db/conf/aied/aied2020-2.html