TY - CONF T1 - Designing a sustainable, circular culinary system - The case of the tourism region of Valais, Switzerland A1 - Grèzes, Sandra A1 - Grèzes, Vincent Y1 - 2021 PB - TOURMAN 2021 - 4th International Scientific Conference “Restarting tourism, travel and hospitality: The day after", Internati UR - https://www.tourman.gr/files/TOURMAN2021_BOOK_OF_ABSTRACTS.pdf KW - circular economy KW - économie circulaire KW - innovation collaborative ER -