International research for the betterment of children worldwide: Early Childhood Education: International Research Report (2015). Editor: Dr. László Varga University of West Hungary, Benedek Elek Faculty of Pedagogy, Sopron, Hungary. trainingandpractice [Internet]. 20 de diciembre de 2015 [citado 5 de diciembre de 2025];13(3-4):171-5. Disponible en: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/5085