Penerapan Media Kantong Bilangan Upaya Meningkatkan Hasil Belajar Pengurangan Penjumlahan Bersusun. Edutama, [S. l.], v. 2, n. 1, p. 11–20, 2025. DOI: 10.69533/4qtnw648. Disponível em: https://ejournal.rizaniamedia.com/index.php/edutama/article/view/266.. Acesso em: 9 may. 2025.