Color Like a Pro – Blending | Blending colored pencils, Coloring tips, Colored pencil techniques
How to blend with Colored Pencils
Modern Colored Pencil: A playful and contemporary exploration of colored pencil drawing - Includes 75+ Projects and Techniques (Modern Series): Ward, Chelsea: 9781633228146: Amazon.com: Books
The Ultimate Beginner's Guide to Colored Pencils - The Curiously Creative