ARIF, N. .; YAZID, I. .; FEBRIAN, F. Implementation of the teaching at the right level approach to improve mathematics learning outcomes of class X.15 students. Jurnal Gantang, [S. l.], v. 9, n. 1, p. 95–104, 2024. DOI: 10.31629/jg.v9i1.6909. Disponível em: https://ojs.umrah.ac.id/index.php/gantang/article/view/6909. Acesso em: 4 apr. 2025.