The best learning path for ISO 9001 includes several recommended resources and courses:

1. Use the Guided learning feature from Experta.
2. Take the free online training ISO 9001 Foundations Course: [ISO 9001 Foundations Course] https://advisera.com/training/iso-9001-foundations-course/).
3. Read the standard itself.
4. Read in-depth articles about ISO 9001: [In-depth articles] https://advisera.com/iso-9001/).

Additionally, you can enroll in the ISO 9001:2015 Lead Implementer Course and the ISO 9001:2015 Lead Auditor Training Course for free. There is also a free webinar on demand about selling ISO consulting services. All these resources are updated to the 2015 revision of the standard.