CLINCY, Miriam; MELZER, Karin; SCHAAF, Gunther; EICHHORN, Achim; VERNÉ, Nathalie. Inside the “Sandbox”: The Effects of Unlimited Practice for Summative Online-Tests. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 17, n. 23, p. pp. 115–127, 2022. DOI: 10.3991/ijet.v17i23.35939. Disponível em: https://online-journals.org/index.php/i-jet/article/view/35939. Acesso em: 4 may. 2024.