Rahmani, R., Arsih, F., Fadilah, M., & Irdawati, I. (2026). Development of a Problem-Based Learning-Based E-Module to Enhance Critical Thinking Skills and Biology Concept Understanding Among Eleventh-Grade Senior High School Students. ISEJ : Indonesian Science Education Journal, 7(3), 225-235. https://doi.org/10.62159/isej.v7i3.2934