Rahmadani, Normala, and Indri Anugraheni. “Peningkatan Aktivitas Belajar Matematika Melalui Pendekatan Problem Based Learning Bagi Siswa Kelas 4 SD”. Scholaria: Jurnal Pendidikan dan Kebudayaan 7, no. 3 (September 18, 2017): 241–250. Accessed May 17, 2026. https://ejournal.uksw.edu/scholaria/article/view/928.