YULISMAR, Y. Peningkatan Motivasi dan Hasil Belajar Matematika pada Materi Penjumlahan dan Pengurangan Bilangan Dua Angka melalui Model Problem Based Learning di Kelas II MIN 2 Pasaman. Journal of Development Education and Learning (JODEL), [S. l.], v. 3, n. 2, p. 278–281, 2025. Disponível em: https://www.jodel.or.id/index.php/jodel/article/view/131. Acesso em: 8 jun. 2026.