Kusumadani, A.I., Agustina, L., Astuti, R., Agustina, P. and Affandy, H. 2026. The Effectiveness of the Socioscientific Blended Project-Based Learning (PjBL) Model in Improving Higher-Order Thinking Skills. Journal of Biology Learning. 8, 1 (Mar. 2026), 28–34. DOI:https://doi.org/10.32585/jbl.v8i1.4735.