FITRIA, D. .; ASRIZAL, A.; LUFRI, L. Enhancing 21st-Century Skills through Blended Problem-Based Learning with Ethnoscience Integration: A Mixed-Methods Study in Indonesian Junior High Schools. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 24, n. 1, p. 464–480, 2025. Disponível em: http://ijlter.myres.net/index.php/ijlter/article/view/2190. Acesso em: 26 aug. 2026.