Utami, R., Rosyida, A. , Arlinwibowo, J. and Fatima, G.N. 2022. The effectivity of problem-based learning to improve the HOTS: A meta-analysis. Psychology, Evaluation, and Technology in Educational Research. 5, 1 (Oct. 2022), 43–53. DOI:https://doi.org/10.33292/petier.v5i1.147.