Here I modify his model to apply it to the globalization of martial traditions .
6 Thomas L. Friedman discusses waves of globalization in his book , The World is Flat : A Brief History of the Twenty First Century ( New York : Picador , 2005 ) .
Here I modify Thomas L. Friedman 's model to apply it to the globalization of martial traditions .
6 Thomas L. Friedman discusses waves of globalization in his book , The World is Flat : A Brief History of the Twenty First Century ( New York : Picador , 2005 ) .