00377nam a2200121Ia 4500008004100000020001800041040002500059082002500084100002200109245006200131260005400193490000800247240725s9999    xx            000 0 und d  a9789719654841  aNORSU-GuicNORSU-Gui  aFil.303.0721/A4t/c.2  aMariano M. Ariola 0aTrends networks and critical thinking in the 21st century  bUnlimited books library services & publicing inc.  vc.2