Development of Learning Modules on Circles Using Augmented Reality for Eighth-Grade Students. Riemann: Research of Mathematics and Mathematics Education, [S. l.], v. 7, n. 1, p. 78–87, 2025. DOI: 10.38114/reimann.v7i1.73. Disponível em: http://journal.sanagustin.ac.id/index.php/reimann/article/view/73.. Acesso em: 18 apr. 2026.