Gamification and educational computer games in open source learning management systems as a part of assessment Вид публикации: Conference Proceedings Авторы: Georgi Tuparov; Delyan Keremedchiev; Daniela Tuparova; Maya Stoyanova Источник: 17th International Conference Information Technology Based Higher Education and Training (ITHET), IEEE, Portugal, p.1-5 (2018)