| Duboux Editions |
| References |
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Adolph-Kolping-Berufskolleg, Münster, Germany |
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Berufliches Schulzentrum für Ernährung und
Hauswirtschaft, Chemnitz, Germany |
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Cook's
Association, a professional association of the Hotel & Gastro
Union, Switzerland |
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DCT – Hotel Management Business & Culinary School, Lucerne, Switzerland |
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Ecole hôtelière de Lausanne EHL, Lausanne, Switzerland |
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Endicott College, Hospitality Division, Beverly, MA, USA |
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Hotel & Gastro formation, Weggis, Switzerland |
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Hotel and Tourism School HTF, Chur, Switzerland |
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Hotel Management School Les Roches, Bluche, Switzerland |
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Hotel School Belvoirpark, Zürich, Switzerland |
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Hotel School Heidelberg, Germany |
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hotelleriesuisse (Swiss Hotel Association, Occupational Training |
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Hotel School Thun, Switzerland |
 |
Service Association, a professional association of the Hotel & Gastro
Union, Switzerland |
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Swiss Association of the Teachers of the Hospitality Industry |
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Vocational Training of GastroSuisse – Federation of restauration
and Hotel Industry |
 |
World Association of Cook Societies |
 |
ecc. |