Siska, Maarif S. Numeracy Skill in Learning Mathematics for Elementary School Students: How Sociomathematical Norm Becomes a Category in the Characteristics of Epistemological Obstacles. Fut. Educ. [Internet]. 2026 Jan. 22 [cited 2026 Jul. 22];6(1):69-91. Available from: https://futurity-education.com/index.php/fed/article/view/517