Behind the Scenes: Animated Comic with Grease Pencil - BlenderNation
Amazon.com: Blender 3D By Example: A project-based guide to learning the latest Blender 3D, EEVEE rendering engine, and Grease Pencil, 2nd Edition: 9781789612561: Baechler, Oscar, Greer, Xury: Books
Geometric shapes with DynaClay - Bumarin grease pencil addon for Blender 2.80 - YouTube
Master Grease Pencil in Blender by Kevin Ramirez < Premium Courses Online
My 3D grease pencil painting process in Blender - 3D Blendered