Optimizing 21st Century Learning Strategies in Improving Basic Competencies of Elementary School Students: A Literature Study. Ludi Litterarri, [S. l.], v. 1, n. 2, p. 1–8, 2024. DOI: 10.62872/f9se9h36. Disponível em: https://ejournal-nawalaedu.com/index.php/JLL/article/view/1714. Acesso em: 30 nov. 2025.