Marketing in the 21st Century · Gerjet Kleine-Weischede ======================================================= * Marketing in the 21st Century: Certificate · The Open University · awarded 2019-07 -- vutuv agent document · type: qualification · schema_version: 3 generated_at: 2026-08-31T07:18:44Z canonical: https://vutuv.de/chancenmacher/qualifications/01a04746-0d60-7af5-81fc-a594481dffe2 noindex: true noai: true