Now showing items 2831-2850 of 4547

      Affiliation
      Ternopil Volodymyr Hnatiuk National Pedagogical University, Department of Informatics and Teaching Methods [1]
      Ternopil Volodymyr Hnatyuk National Pedagogical University [1]
      The Academy of Physical Education in Poznań [1]
      The Air Force Academy – Dęblin, Al. Dywizjonu 303, 08-521 Dęblin, Poland [1]
      The Bronisław Markiewicz State Higher School of Technology and Economics in Jarosław [2]
      The Cardinal Wyszyński University in Warsaw, Faculty of Mathematics and Natural Sciences, ul.Wóycickiego1/3, 01–938 Warszawa, Poland [1]
      The Cardinal Wyszyński University in Warsaw. [1]
      The Department of Public Administration, Documentation and Information Activities Department, National University of Water Management and Natural Resources Use in Rivne, Ukraine [1]
      The East European State Higher School [1]
      The East European State Higher School in Przemyśl, POLAND [1]
      The Eugeniusz Piasecki University School of Physical Education in Poznań [1]
      The Faculty of Management and Administration, The Jan Kochanowski University (JKU) in Kielce, Poland, E-mail: ryszard.czarny@ujk.edu.pl [1]
      The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Krakow, Poland. [1]
      The General Tadeusz Kosciuszko Military Academy of Land Forces in Wrocław [1]
      The Graal Institute [1]
      The Graal Institute, Portugal [2]
      The Higher School of Tourism and Foreign Languages in Warsaw [1]
      The Institute for Agricultural and Fisheries Research (ILVO), Technology and Food Science Unit – Agricultural Engineering, Merelbeke, BELGIUM [1]
      The Institute of Environmental Economics (IEE) [1]
      The Institute of Ethnology of the Czech Academy of Sciences [1]