Will-Machado Jiu-Jitsu Australia

     http://www.bjj.com.au

Machado Jiu-Jitsu World Wide

     http://www.machadojj.com

Rigan & Roger Machado

      http://www.machadojj.com/torrance_academy

Andre Quiles

      http://www.atitudejiujitsu.com.br

BJJ.ORG

     http://www.bjj.org

Inosanto Academy of Martial Arts

    http://www.inosanto.com

PHILIPPINE SAMBO ASSOCIATION

     http://www.oocities.org/asia/philippinesambo