Finde bitte doppelte Quellen:                                  Quellen:

- Brammer, S., & Walker, H. (2011). Sustainable procurement in the public sector: an international comparative study. International Journal of Operations & Production Management, 31(4), 452-476.

- Carter, C. R., & Rogers, D. S. (2008). A framework of sustainable supply chain management: moving toward new theory. International Journal of Physical Distribution & Logistics Management, 38(5), 360-387.

- Elkington, J. (1998). Cannibals with forks: The triple bottom line of 21st-century business. New Society Publishers.

- Govindan, K., Khodaverdi, R., & Jafarian, A. (2018). A fuzzy multi criteria approach for measuring sustainability performance of a supplier based on triple bottom line approach. Journal of Cleaner Production, 141, 1265-1280.

- IBM. (2018). Walmart and IBM collaborate to improve food tracking, traceability and safety. Verfügbar unter: https://www.ibm.com/press/walmart-blockchain

- ISO. (2017). ISO 20400:2017 Sustainable procurement — Guidance. International Organization for Standardization.

- Kshetri, N. (2018). 1 Blockchain’s roles in meeting key supply chain management objectives. International Journal of Information Management, 39, 80-89.

- Lee, I., & Lee, K. (2015). The Internet of Things (IoT): Applications, investments, and challenges for enterprises. Business Horizons, 58(4), 431-440.

- McDonough, W., & Braungart, M. (2002). Cradle to Cradle: Remaking the Way We Make Things. North Point Press.

- Touboulic, A., & Walker, H. (2015). Theories in sustainable supply chain management: a structured literature review. International Journal of Physical Distribution & Logistics Management, 45(1/2), 16-42.

- UN Global Compact. (2004). The ten principles of the UN Global Compact. Verfügbar unter: https://www.unglobalcompact.org/what-is-gc/mission/principles

- Wang, G., Gunasekaran, A., Ngai, E. W., & Papadopoulos, T. (2016). Big data analytics in logistics and supply chain management: Certain investigations for research and applications. International Journal of Production Economics, 176, 98-110.
- C2CPII. (2021). Cradle to Cradle Certified Products Registry. Cradle to Cradle Products Innovation Institute. Verfügbar unter: https://www.c2ccertified.org/products/registry

- Deloitte. (2019). The Deloitte Global Chief Procurement Officer Survey 2019. Verfügbar unter: https://www2.deloitte.com/

- Eccles, R. G., Ioannou, I., & Serafeim, G. (2014). The impact of corporate sustainability on organizational processes and performance. Management Science, 60(11), 2835–2857.

- EY & HEC. (2020). Sustainable Procurement Barometer 2019/2020. Verfügbar unter: https://www.ey.com/

- Fairtrade International. (2020). Annual Report 2019-2020. Verfügbar unter: https://www.fairtrade.net/

- FSC. (2021). Global FSC Certificates: Types and Distribution. Forest Stewardship Council. Verfügbar unter: https://fsc.org/en

- IBM. (2018). Blockchain for supply chain: Walmart and IBM food traceability initiative. Verfügbar unter: https://www.ibm.com/blogs/blockchain/2018/09/blockchain-for-supply-chain-walmart-ibm-food-traceability-initiative/

- ISO. (2020). ISO 20400 Sustainable Procurement. International Organization for Standardization. Verfügbar unter: https://www.iso.org/iso-20400-sustainable-procurement.html

- Kshetri, N. (2018). Blockchain’s roles in meeting key supply chain management objectives. International Journal of Information Management, 39, 80–89.

- Lee, I., & Lee, K. (2015). The Internet of Things (IoT): Applications, investments, and challenges for enterprises. Business Horizons, 58(4), 431–440.

- McKinsey & Company. (2017). Supply Chain 4.0 – the next-generation digital supply chain. Verfügbar unter: https://www.mckinsey.com/

- McKinsey & Company. (2020). Sustainability in procurement. Verfügbar unter: https://www.mckinsey.com/

- Nielsen. (2018). Was Einkäufer bewegt: Nachhaltigkeit im Einkauf. Verfügbar unter: https://www.nielsen.com/

- PwC. (2020). ESG - der neue Standard für Investoren. Verfügbar unter: https://www.pwc.de/

- Statista. (2020). Internet of Things (IoT) connected devices installed base worldwide from 2015 to 2025. Verfügbar unter: https://www.statista.com/

- UN Global Compact. (2019). The Decade to Deliver: A Call to Business Action. Verfügbar unter: https://www.unglobalcompact.org/

- UN Global Compact. (2021). UN Global Compact Participants. Verfügbar unter: https://www.unglobalcompact.org/what-is-gc/participants

- UNGC & Accenture. (2019). CEO Study on Sustainability. Verfügbar unter: https://www.accenture.com/

- Wang, G., Gunasekaran, A., Ngai, E. W., & Papadopoulos, T. (2016). Big data analytics in logistics and supply chain management: Certain investigations for research and applications. International Journal of Production Economics, 176, 98–110.