Suharyat, Y., Desy, D., Santosa, T.A. , Sofianora, A. and Manahor, A. 2023. RETRACTED: Meta-analysis study: The effect of the independent curriculum integrated project-based learning model on student learning outcomes in natural science materials. Psychology, Evaluation, and Technology in Educational Research. 5, 2 (Mar. 2023), 54–65. DOI:https://doi.org/10.33292/petier.v5i2.164.