GSTC Chair, Luigi Cabrini, was the Keynote Speaker at TTF Outlook Conference 2018 in Australia へのコメント https://www.gstcouncil.org/gstc-chair-luigi-cabrini-was-the-keynote-speaker-at-ttf-outlook-conference-2018-in-australia/?lang=ja Global Sustainable Tourism Council: Sustainable Travel & Tourism, GSTC Criteria, Certification Fri, 29 Jun 2018 12:37:21 +0000 hourly 1