I.f.a.
The international federation of aromatherapists is the first & most prestigious association working for excellence in the training & practice of aromatherapy
http://www.ifaroma.org/
N.v.s.t.
N.v.s.t.
http://www.nvst.nl/
R.i.n.g.
Stichting ring
http://www.ringregister.nl/
