Lestari, E.P., Wasis, W. and Purnomo, T. 2022. Science Learning Materials in Integrated PBL Scientific Literacy Model to Improve Problem Solving Ability of Junior High School Students. IJORER : International Journal of Recent Educational Research. 3, 4 (Jul. 2022), 464-477. DOI:https://doi.org/10.46245/ijorer.v3i4.230.