1.
Peningkatan Hasil Belajar Matematika Siswa Kelas 1 SDN Sawah Besar 01 melalui PBL Berbantuan Media Kantong Bilangan Collaboration and Games. psnppg. 2023;1(2):2625-2633. Accessed August 13, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/5420