LENDECHY VELÁZQUEZ , Itzel Natalia; GARIZURIETA BERNABE, Jessica. Multilevel Planning for Strengthening Mathematical Competencies in Rural Primary Education. MENTOR revista de investigación educativa y deportiva , [S. l.], v. 5, n. 5, p. 1–17, 2026. DOI: 10.56200/mentor.v5i5.13236. Disponível em: https://revistamentor.ec/index.php/mentor/article/view/13236. Acesso em: 22 oct. 2026.