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Roehl, R. (2)
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2009 (2)
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Organic Certification of Hotels, Restaurants and Catering in Germany. Veranstaltung: 1st Nordic Organic Conference, Göteborg, Schweden, 18.-20.05.2009
(2009)
Strassner, C
;
Roehl, R.
Organic certification in the iPOPY countries and Germany. Current status and future challenges Veranstaltung: iPOPY Open Seminar Providing organic school food for youths in Europe - Policy strategies, certification and supply chain management in Denmark, Finland, Italy and Norway im Rahmen des Kongressprogramms der Fachmesse BioFach, Nürnberg, 20.02.2009
(2009)
Strassner, C
;
Roehl, R.
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