| ifraorg.org | International Fragrance Association |
| cfacanada.com | Canadian Federation of Aromatherapists |
| aromaticplantproject.com | Aromatic Plant Project |
| aroma-iata.com | International Aromatherapists and Tutors Association |
| naha.org | The National Association for Holistic Aromatherapy |
| ifa.org.au | International Federation of Aromatherapists (IFA) Australian Branch |
| aromatherapycouncil.org | Aromatherapy Registration Council |
| aromatherapyalliance.org | Aromatherapy Alliance |
| aromatherapy-regulation.org.uk | Aromatherapy Consortium |
| aromaworld.com | Bassett Aromatherapy |
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