1.
255. Peningkatan Hasil Belajar Melalui Model Problem Based Learning Berbantu Media Pop-Up pada Pembelajaran IPAS Siswa Kelas IV SDN Sawah Besar 01. psnppg. 2023;1(1):2260-2269. Accessed August 12, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/4330