Scrum Beijing

The Scrum Guide.

The best virtual Scrum certification training. Register for the Certified Scrum Master (CSM) Create Adaptive Product Teams in Any Business.

These are some brief videos about Scrum:
https://youtu.be/q45zbcwCbkw
https://youtu.be/DSQADSAsHiU
https://youtu.be/g_VTNFG-SAE