“Penerapan Model Problem Based Learning Berbantuan Media Pop-Up untuk Meningkatkan Hasil Belajar IPAS Kelas IVa SDN Sawah Besar 01” (2023), 1(2), pp. 1769–1775. Available at: https://conference.upgris.ac.id/index.php/psnppg/article/view/5316 (Accessed: 26 July 2026).