E-learning E-learning 2013 : proceedings of the IADIS International Conference, part of the Multi Conference on Computer Science and Information Systems 2013, July 23 - 26, 2013, Praque, Czech Republic. -- 1. vyd. -- Praha : IADIS Press, 2013. -- zborník bol recenzovaný. -- ISBN : 978-972-8939-88-5.