• Kalvet, Tarmoärikorralduse instituut, kaasatud professorAt TalTech: 2006-https://scholar.google.com/citations?user=yQZj2kMAAAAJ&hl=en
• Sustainable value chain management research group.
  Innovative businesses and future governance, Valorisation of environmental resources.
  Gerstlberger, Wolfgang Dieter https://taltech.ee/arikorralduse-instituut/uurimisruhmad#p15103