FIRLIANI, F.; SUCIATY, N. Pelatihan Metode Jarimatika dalam Meningkatkan Kemampuan Berhitung Siswa Sekolah Dasar . INCOME: Indonesian Journal of Community Service and Engagement, [S. l.], v. 1, n. 1, p. 30–35, 2022. DOI: 10.56855/income.v1i1.19. Disponível em: https://journals.eduped.org/index.php/income/article/view/19. Acesso em: 27 jun. 2025.