Learning and collaboration technologies designing, developing and deploying learning experiences : 7th International Conference, LCT 2020, held as part of the 22nd HCI International Conference, HCII 2020, Copenhagen, Denmark, July 19-24, 2020 : proceedings, part I - Zaphiris, Panayiotis 1970-; Ioannou, Andri (Springer, 2020)