Consider the five sources listed. Select each one that you believe is credible, scholarly and relevant to use as supplemental material for your MBA course. Select all answers that apply a) Douglas, M. (2019, February 28). Supply chain education: Building the skill set that lands the job. Inbound Logistics. b) Luthra, S. & Mangla, S. K. (2018). When strategies matter: Adoption of sustainable supply chain management practices in an emerging economy's context. Resources, Conservation and Recycling, 138(194-206). c) Roughan, G. (2021, February 25). How to implement a supply chain management system. Unleashed Software. d) Pettit, T. J., Croxton, K. L. & Fiksel, J. (2019). The evolution of resilience in supply chain management: A retrospective on ensuring supply chain resilience. Journal of Business Logistics, 40(1), 56-65