COWAN, John. Liberated Learning: a view of what ungrading could deliver. Journal of Learning Development in Higher Education, [S. l.], n. 35, 2025. DOI: 10.47408/jldhe.vi35.1175. Disponível em: https://journal.aldinhe.ac.uk/index.php/jldhe/article/view/1175. Acesso em: 25 may. 2026.