Scrum PSM - $150 or $600 for CSM Suggested Reading for Professional Scrum Master https://www.scrum.org/resources/suggested-reading-professional-scrum-master Scrum Master Learning Path https://www.scrum.org/pathway/scrum-master The 2020 Scrum GuideTM https://www.scrumguides.org/scrum-guide.html The Professional Scrum Competencies https://www.scrum.org/professional-scrum-competencies The 2020 Scrum Guide PDF https://www.scrumguides.org/docs/scrumguide/v2020/2020-Scrum-Guide-US.pdf#zoom=100 Six Sigma https://www.sixsigmacouncil.org/wp-content/uploads/2018/09/Six-Sigma-Green-Belt-CertificationTraining-Manual-CSSC-2018-06b.pdf