publicações selecionadas artigo de revista Elements of Gamification in Virtual Learning Environments. Teaching and Learning in a Digital World. 2018 artigo de conferência Céos: a collaborative web-based application for improving teaching-learning strategies 2018 Elements of gamification in virtual learning environments: a systematic review 2018 capítulo de livro Correction to: The Impact of a Gamified E-Learning Environment in Students Attitude: A Case Study 2021 The Impact of a Gamified E-Learning Environment in Students Attitude: A Case Study 2021