Click here for My YouTube Playlist on Sketch Notes and Tips and Tricks
The Sketchnote Handbook - a great reference
Rohde, Mike. The sketchnote handbook. Pearson Education, 2012.
I have found this to be a great resource! He has step-by-step instructions as well as ways to practice, which for me, a "non-artist" is great!
Sketch50 - https://sketch50.org/
Practice Sheets to Download
Ideas from Mike Rohde's book, The sketchnote handbook
Five Basic Elements Practice1
Five Basic Elements Practice 1B
Use the five basic shapes, square, circle, triangle, line and dot to create your drawings.