Fitria, D. ., Asrizal, A. and Lufri, L. (2025) “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, 24(1), pp. 464–480. Available at: https://ijlter.net/index.php/ijlter/article/view/2190 (Accessed: 29 April 2026).