An organization should manage its suppliers and external resources by evaluating and documenting relevant suppliers, as required by ISO 9001:2015. This involves establishing criteria to assess suppliers, such as price, quality, and delivery time. The organization should also consider a risk-based approach to prioritize audits and assessments, focusing more on suppliers without ISO 9001:2015 certification. Additionally, the organization should ensure that necessary resources are determined and provided for the effective implementation and continual improvement of the Quality Management System (QMS), considering both internal and external resources.