Nawawi, S., Siburian, J., Johari, A. and Anggereini, E. 2024. The Transformative Power of Challenge-Based Learning in Cultivating 21st-Century Skills. Indonesian Journal of Educational Research and Review. 7, 3 (Dec. 2024). DOI:https://doi.org/10.23887/ijerr.v7i3.84243.