MELÉNDEZ-CRUZ, Julián Andrés; FLORES-MEDRANO, Eric; HERNÁNDEZ-REBOLLAR, Lidia Aurora. Specialized knowledge of the mathematics teacher when analyzing a sequence of addition of fractions. Uniciencia, [S. l.], v. 37, n. 1, p. 1–19, 2023. DOI: 10.15359/ru.37-1.11. Disponível em: https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/16888. Acesso em: 24 apr. 2026.