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CompSysTech´09, Proceedings of the International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, Ruse, Bulgaria, 18-19 June 2009
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CompSysTech 2002. Proceedings of the International conference on computer systems and technologies (e-Learning) : Sofia, Bulgaria 20.- 21. June 2002 /
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CompSysTech'15. Proceedings of the 16th International Conference on Computer Systems and Technologies CompSysTech '15, Dublin, Ireland, June 25-26, 2015 / proceedings
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Proceedings of the international conference on e-Learning 2015 11-12 September 2015, University of applied sciences Berlin, Germany /
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E-Learning Conference´06, Computer Science Education with a section PhD Students & e-learning, 7th and 8th September 2006, Coimbra, Portugal : Proceedings
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CompSysTech´11, Proceedings of the 12th International Conference on Computer Systems and Technologies Vienna, Austria, June 16-17, 2011
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Proceedings of the international conference on e-Learning 2016 e-Learning 2016
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E-learning'14 international conference on e-learning, 12 September 2014, University of La Laguna Spain proceedings