ALIM, J.; HERMITA, N.; PUTRA, Z. H.; SUROYO, S.; CHARLINA, C.; WITRI, G.; OKTAVIANI, C. Training to Make Audible Books Based on Riau Malay Ethnomathematics as a Strengthening of Teachers’ Skills to Make Storybooks That Can Improve Literacy and Numeracy for Elementary School Students. Journal of Community Engagement Research for Sustainability, [S. l.], v. 3, n. 2, p. 101–107, 2023. DOI: 10.31258/cers.3.2.101-107. Disponível em: https://cers.ejournal.unri.ac.id/index.php/cers/article/view/214. Acesso em: 4 nov. 2026.