LAČNÝ, Jozef. Personalized Recommendation of Learning Resources. In Personalized Web - Science, Technologies and Engineering : 13th Spring 2013 PeWe Workshop Gabčíkovo, Slovakia April 5, 2013 Proceedings. 1. vyd. Bratislava : Vydavateľstvo STU, 2013, s.17-18. ISBN 978-80-227-3914-6. I*