De Aarde
De negen planeten, vertaling door guido hemeleers voor infoster vzw meise grimbergen
http://www.infoster.be/negepl/earth.html
KNAG
KNAG
http://www.knag.nl/
NIROV
NIROV
http://www.nirov.nl/
Unicef
The united nations children's fund - unicef - works for children's rights, their survival, development and protection, guided by the convention on the rights of the child.
http://www.unicef.org/
Verenigde Naties
Verenigde Naties
http://www.un.org/