Google data studio tutorial on how to do data blending for joining multiple data sources.
Data Set Link - https://tinyurl.com/yd65vnf3
Google Data Studio Youtube Playlist for a specific tutorial need - https://www.youtube.com/playlist?list=PL6_D9USWkG1BDcnnbw4gfolY0zms3svSi
Official google data studio website to get it - datastudio.google.com
Google data studio community - https://datastudio.google.com/gallery?category=community
Google data studio solutions for various industries like financial, technology and sales etc - https://datastudio.google.com/gallery
Google data studio custom visualizations and create new as well - https://datastudio.google.com/visualization
Google data studio list of data connectors - https://datastudio.google.com/data