First International Computer Programming Education Conference ICPEC 2020, June 25–26, 2020, ESMAD, Vila do Conde, Portugal (Virtual Conference) - Queirós, Ricardo 1975-; Portela, Filipe; Pinto, Mário Teixeira 1967-; Simões, Alberto (Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH, Dagstuhl Publishing, 2020)