SISKA; MAARIF, Samsul. Numeracy Skill in Learning Mathematics for Elementary School Students: How Sociomathematical Norm Becomes a Category in the Characteristics of Epistemological Obstacles. Futurity Education, [S. l.], v. 6, n. 1, p. 69–91, 2026. DOI: 10.57125/FED.2026.03.05. Disponível em: https://futurity-education.com/index.php/fed/article/view/517. Acesso em: 22 jul. 2026.