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RUDA, Aleš a Eduard HOFMANN. Possibilities of environmental education at the Department of Geography. In Proceedings of the HERODOT Conference in Ayvalik,. 2009. vyd. Turkey: The Herodot Thematic Network, 2009, s. 119-125, 335 s. ISBN 978-3-86664-586-8.Podrobněji: https://is.muni.cz/publication/835830/cs