SITUMORANG, N. I. F.; AZ-ZAHRA, Z. .; ERLI, I. S. .; FITRIANI, V. .; MAULANA, A. .; HARIANJA, C. N. .; BALQIS, R. .; MULYANI, S. .; HAPIZA, A. .; NURHASWINDA, N. Learning of Addition and Subtraction Operations. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 6, p. 2314–2318, 2025. DOI: 10.61445/tofedu.v4i6.670. Disponível em: http://journal.tofedu.or.id/index.php/journal/article/view/670. Acesso em: 13 jul. 2025.