DHANI, V.; AHMAD, S. Peningkatan Hasil Belajar Siswa Pada Pembelajaran Penjumlahan Dan Pengurangan Bilangan Pecahan Menggunakan Model Problem Based Learning. Journal of Practice Learning and Educational Development , [S. l.], v. 2, n. 1, p. 1–7, 2022. DOI: 10.58737/jpled.v2i1.33. Disponível em: https://digitalpress.gaes-edu.com/index.php/jpled/article/view/33. Acesso em: 7 jul. 2024.