For BJJ Practitioners: What other forms of martial arts have you taken that nicely complement your training? - Quora
The First 4 Positions You Need to Know Jiu-Jitsu Positional Hierarchy
10 Best Jiu-Jitsu Books for Beginners - BookAuthority
The Positional Hierarchy
Top FIVE Techniques For The Beginner Student of Brazilian Jiu-Jitsu – NEPA's Grappling Authority
The 16 Most Important Techniques for the BJJ Beginner - Grapplearts
Opinion: Why BJJ Belts Really Do Matter
The 16 Most Important Techniques for the BJJ Beginner - Grapplearts
Learning Brazilian Jiu-jitsu Through a Scientific Lens - Mark C Baumann
BJJ Positional Training