Jančaříková, Kateřina, and Magdalena Kapuciánová. “Environmental Education in Nursery Schools – Finding the Optimal Form”. Envigogika 7, no. 1 (May 31, 2012). Accessed December 8, 2019. https://envigogika.cuni.cz/index.php/Envigogika/article/view/71.