Digital technologies and active learning content [elektronický zdroj] / Zuzana Palková, Borislav Stoyanov, Imrich Okenka. In: Modern education in the renewable energies for the Visegrad region : international science conference and workshop, 9 - 11 February, 2012. -- 1. vyd.. -- 1 CD-ROM (60 s.). -- 978-80-552-0800-8 Modern education in the renewable energies for the Visegrad region. -- Nitra : Slovak University of Agriculture, 2012. -- S. 17. Web 2.0 * digitálna technika * multimédia * e-learning