“243. Penerapan Model Problem Based Learning dalam Meningkatkan Hasil Belajar Matematika Peserta Didik Kelas 1 SDN Pati Lor 05 Berbantuan Media Counting Box” (2023), 1(1), pp. 2161–2170. Available at: https://conference.upgris.ac.id/index.php/psnppg/article/view/4309 (Accessed: 11 August 2026).