power jituSound technical and tactical strategies will always remain the backbone of success in jiu jitsu; however, developing strength, power, and endurance are now a critical piece to the puzzleBuku Deep-mind Power Engineering : Jurus Jitu Meraih Sukses karya Ir. H. Purwanto Yusdarmanto. Pernahkah Anda merasa tidak bisa apa-apa di saat orang lain bisa? Pernahkah Anda merasa gelisah menghadapi sesuatu di saat