See:
http://www.sqlserveranalysisservices.com/default.htm
The one on many-to-many dimensions is very good!
Microsoft Fabric, Power BI, Analysis Services, DAX, M, MDX, Power Query, Power Pivot and Excel
See:
http://www.sqlserveranalysisservices.com/default.htm
The one on many-to-many dimensions is very good!