Kumalasiwi, Andika Putri, Mudzanatun, Hanifah, and Ima Nisa Asriyanti. 2023. “46. Peningkatan Hasil Belajar Melalui Model Problem Based Learning Mata Pelajaran IPAS Berbantu Video Pembelajaran Kelas 4 SDN 2 Purwosari”. Prosiding Seminar Nasional Pendidikan Profesi Guru 1 (1):412-20. https://conference.upgris.ac.id/index.php/psnppg/article/view/3941.