| Intranet Monitor 2011 | Theo Hylkema | Entopic BV |
| Webredactie monitor Februari 2012 | Theo Hylkema | Entopic |
| Gids content management systemen | Theo Hylkema | Entopic |
| Gids content management systemen 2012 | Theo Hylkema | Entopic |
| Intranet Monitor 2009 | Theo Hylkema | Entopic |
| Online Marketing Monitor | Theo Hylkema |
