By Csenki Attila   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|42|5|685-691

Taylor & Francis Ltd‎(2011)‎

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By Csenki Attila   in International Journal of General Systems

ISSN:0308-1079|38|6|643-657

Taylor & Francis Ltd‎(2009)‎

Access to resources Favorite 23.14608