Basic Blender Toon / Cel Shader Tutorial 2D Grease Pencil + 3D Modelling - YouTube
TUTORIAL - Create a toon city with Blender and Photoshop — pokedstudio
Toon Shader Node Tree by estivador on DeviantArt
Experiments with NPR/Toon shading in Eevee - Support / Tutorials, Tips and Tricks - Blender Artists Community | Blender tutorial, Blender 3d, Blender models
Generic Toon Shader for Eevee with ink effect — Blender NPR