OPREA, Mara Doriana. Online Learning and Assessment Examples for Improving Teaching Practice. CONCEPT, [S. l.], v. 22, n. 1, p. 241–249, 2021. DOI: 10.37130/9p6fth50. Disponível em: https://concept.unatcpress.ro/index.php/cpt/article/view/101.. Acesso em: 31 may. 2026.