Yáñez, Dionisio Félix, Pascual D. Diago, and David Arnau. 2018. “Relation Between Complexity and Difficulty in Reiterative Linear Pattern Tasks With 5-Years Old Students”. Revista De Educación De La Universidad De Granada 25 (December):299-318. https://doi.org/10.30827/reugra.v25i0.126.