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Sergio Martínez Juste, José María Muñoz Escolano, Antonio M. Oller Marcén, Tomás Ortega del Rincón. "Análisis de problemas de proporcionalidad compuesta en libros de texto de 2º de ESO." Revista Latinoamericana de Investigación en Matemática Educativa 20.1 (2017) 95-122