CAMAÑAN, Cristian Tenebro. EMPLOYING CONCRETE-REPRESENTATION-ABSTRACT APPROACH IN ENHANCING MATHEMATICS PERFORMANCE. Slongan Multidisciplinary Research Journal, Digos City, Davao del Sur, Philippines, v. 4, n. 1, p. 25, 2019. Disponível em: https://rpo.cjc.edu.ph/index.php/slongan/article/view/21. Acesso em: 10 oct. 2026.