Learning Objects in Online Education: A Systemic Approach. European Journal of Education, [S. l.], v. 3, n. 2, p. 142–152, 2020. DOI: 10.26417/997kdf24o. Disponível em: https://revistia.org/index.php/ejed/article/view/5204.. Acesso em: 3 jul. 2024.