Interoperable Learning Systems Using Open Educational Standards. Journal of Digital Learning Futures p-ISSN 3117-6054 and e-ISSN 3117-6062, [S. l.], v. 2, n. 2, p. 9–18, 2025. Disponível em: https://galaxiauniverse.com/index.php/JDLF/article/view/389. Acesso em: 31 aug. 2026.