power jituProfil Roger Dawson, Penulis Buku Seni Negosiasi (Secrets Of Power Negotiating): Seni Canggih Untuk Melejitkan Kesuksesan Anda. Roger Dawson adalah salahmaximal strength, explosive power, and strength endurance are the three qualities you want to train outside of jiu-jitsu to get better at jiu-jitsu. Now as for how to train both sports,