“Peningkatan Hasil Belajar Matematika Siswa Kelas 1 SDN Sawah Besar 01 melalui PBL Berbantuan Media Kantong Bilangan Collaboration and Games”, psnppg, vol. 1, no. 2, pp. 2625–2633, Nov. 2023, Accessed: Aug. 13, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/5420