1. Official Vendor Documentation: SAP SE. (2023). SAP S/4HANA for Sourcing and Procurement. SAP Help Portal. In the "Supplier Management" section, the documentation details functionalities for "managing the supplier lifecycle," "evaluating suppliers," and assessing "supplier risk," which are foundational for managing disruptions and ensuring compliance with sustainability standards. (Accessed via SAP Help Portal for S/4HANA, specific section on Supplier Management).
2. Official Vendor Documentation: SAP SE. (2023). SAP Ariba Supplier Risk. SAP Ariba Solutions. This official product page explicitly states the solution allows companies to "avoid supply chain disruptions" through "due diligence and risk exposure-based segmentation." It also highlights capabilities to "ensure suppliers comply with... ethical and sustainable sourcing policies."
3. Academic Publication: Schoenherr, T., & Tummala, V. M. R. (2007). Electronic procurement: A structured literature review and directions for future research. International Journal of Procurement Management, 1(1-2), 8-37. This paper discusses how e-procurement systems, such as those from SAP, evolve from transactional tools to strategic assets for managing supplier relationships, mitigating risks, and supporting corporate objectives like sustainability, aligning with the strategic role described in the correct answer. (DOI not available for this specific older article, but it is a foundational text in the field).