Sulifah, A.S., Nuryatin, T. and Mursidik, E.M. 2025. Upaya Penerapan Project Based Learning untuk Meningkatkan Keaktifan Siswa SD Kelas IV. Journal of Science and Education Research. 4, 1 (Feb. 2025), 35–39. DOI:https://doi.org/10.62759/jser.v4i1.156.