PUSPITASARI, A.; SUSETYO KUSUMO WARDHANI, I.; PUSPASARI, Y. Development of Counting Box Media to Improve Understanding of Addition and Subtraction of Grade II Elementary School Students. JURNAL PENDIDIKAN DASAR NUSANTARA, [S. l.], v. 10, n. 1, p. 192–202, 2024. DOI: 10.29407/jpdn.v10i1.23059. Disponível em: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/23059. Acesso em: 2 jan. 2025.