power jituPower of Leverage has had a positive influence on our family. Our son started training at POL because he was getting bullied at school. He started going there to get some basic self-defense skills and to build his confidence. He quicklyMetode JItu Meningkatkan Daya Ingat (Memory Power) Penulis : Deasy Harianti Penerbit : Tangga Pustaka Cet. 1, Thn. 2008, 106 Halaman ISBN : 979-9051-59-2 (Buku Bekas) 25rb