@inproceedings{1037780, title = "Psychological education - Logo style and logo media", author = "Patarakin, Evgeny D. and Travina, Larisa L.", year = "1993", pages = "29-34", publisher = "Εκπαιδευτήρια Δούκας", booktitle = "Logo-like learning environments:reflection and prospects. proceedings of the fourth European Logo Conference, University of Athens, Department of Informatics, 28-31 August 1993, Athens Greece" }