Publikacja dostępna w wersji elektronicznej w open access na licencji CC-BY 4.0. Date of publication: 01.07.2021. Publikacja z : Second International Computer Programming Education Conference (ICPEC 2021), May 27–28, 2021, University of Minho, Braga, Portugal, online conference. This paper is based on the work done within the Framework for Gamified Programming Education project supported by the European Union’s Erasmus Plus programme. |