GUNAWAN, G.; NISA, I. .; UNTARTI, R. .; KUSUMA, J. W. .; PURWANTO, J. .; SUSRI, S. APPLICATION OF THE CONTEXTUAL TEACHING AND LEARNING MODEL THROUGH TEACHING AT THE RIGHT LEVEL ASSISTED BY CONCRETE MEDIA TO IMPROVE MATHEMATICAL PROBLEM-SOLVING SKILLS. International Journal of Economy, Education and Entrepreneurship (IJE3), [S. l.], v. 4, n. 3, p. 616–623, 2024. DOI: 10.53067/ije3.v4i3.299. Disponível em: https://ije3.esc-id.org/index.php/home/article/view/299. Acesso em: 5 may. 2026.