Ferreras-Listán, Mario, María Puig-Gutiérrez, Olga Moreno-Fernández, and Fátima Rodriguez-Marín. “The Relevance of Citizenship, Sustainability and Heritage Education in Early Childhood and Primary Education in Spain”. Pedagogika 134, no. 2 (October 18, 2019): 61–81. Accessed May 15, 2025. https://ejournals.vdu.lt/index.php/Pedagogika/article/view/718.