ÖZDENER, N.; ÇELEN, B. The effect of forming a score-based competitive system in a cyber-drilling atmosphere for learning and motivation. Journal of Human Sciences, [S. l.], v. 6, n. 2, p. 222–238, 2009. Disponível em: https://j-humansciences.com/ojs/index.php/IJHS/article/view/776. Acesso em: 21 dec. 2024.