Try Susanti, Dwi Gusfarenie, Nanda Gusriani, Diandara Oryza, and Nining Nuraida. 2026. “Development and Validation of a Critical Thinking Skills Instrument for Grade 11 Biology Students Based on Ennis’s Framework”. International Journal of Education and Teaching Zone 5 (1):217-36. https://doi.org/10.57092/ijetz.v5i1.546.