HANIFAH, H.; UTARI, T. Pelatihan Pengembangan Bahan Ajar Diferensial Model Apos Berbantuan Geogebra . INCOME: Indonesian Journal of Community Service and Engagement, [S. l.], v. 1, n. 2, p. 154–162, 2022. DOI: 10.56855/income.v1i2.90. Disponível em: https://journals.eduped.org/index.php/income/article/view/90. Acesso em: 3 okt. 2025.