Impact Business Design The Playbook for Developing Sustainable Business Models Grabmeier, Stephan Innbundet / 2025 / Engelsk
Impact Business Design The Playbook for Developing Sustainable Business Models Grabmeier, Stephan Heftet / 2025 / Engelsk
Was Menschen verbindet Sozialer Klimawandel durch neue Wertschätzung Petzolt, Stephan Heftet / 2025 / Tysk
