Nasti, B. and Alwi, N.A. 2023. Project-Based Learning Model for Fifth Grade Students: Testing Theme 2 Thematic Teaching Materials Validity. AL-ISHLAH: Jurnal Pendidikan. 15, 3 (Sep. 2023), 3785–3793. DOI:https://doi.org/10.35445/alishlah.v15i3.2983.