Ruiz, Edgardo, and Mª. Dolores Villuendas. “Exploring the Use of Discursive and Semiotic Strategies in Knowledge-Guided Construction”. EDUCAR 39 (February 1, 2007): 77–94. Accessed October 23, 2025. https://educar.uab.cat/article/view/v39-ruiz-villuendas.