SCRUM Guide:
https://www.scrum.org/resources/scrum-guide
Info Videos
http://www.scrumtrainingseries.com
Kostenlose Asessment:
https://www.scrum.org/open-assessments?gclid=EAIaIQobChMI0vrKx8zd6QIVxJrVCh3n3gzPEAAYAiAAEgJSb_D_BwE
http://mlapshin.com/index.php/psm-quiz/
Günstige Trainings und Beispiel Exams
https://www.volkerdon.com