Rahayuningsih, S.H. et al. 2024. Meta-Analysis Effectiveness of Using the Discovery Learning Model on Students’ 21st-Century Critical Thinking Skills. Jurnal Penelitian Pendidikan IPA. 10, 10 (Oct. 2024), 685–692. DOI:https://doi.org/10.29303/jppipa.v10i10.8961.