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International Okinawa Goju Ryu Karate Federation http://www.iogkf.com/

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Okinawa Gojuryu Karate-do So Honbu Jundokan http://www.jundokan.jp/

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International Meibukan Gojyu-ryu Karate Association http://www.imgka.com/

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Okinawa Goju Ryu Karate do Kyokai
http://www.ogkk.jp/branch.aspx

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