Harahap, U.K., Selaras, G.H. and Ardi, A. 2023. Meta-Analysis of the Impact of Problem-Based Learning on High School Students’ Critical Thinking Abilities in Biology Education. Journal of Digital Learning and Education. 3, 2 (Aug. 2023), 172-184. DOI:https://doi.org/10.52562/jdle.v3i2.751.