Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /home/clients/b010bcc84441ff7c5adbaf4e922effaa/web/mom/module/creator/view-inc.php on line 134
Wolfgang Hofkirchner
2014
in: Theories of information, communication and knowledge, Dordrecht : Springer
2010
Knowledge, Technology & Policy 23/1-2