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Paul Challen Author

Sergio Gargelli is a world-renowned expert in the futsal-to-football methodology, having coached the national teams of China, Norway, Vietnam, Japan and others. He delivers seminars for coaches and players around the world via his company, Futsal Solutions. Paul Challen is an author from Canada. He has written more than 60 books for adults and children on a wide range of non-fiction subjects including sport, biography, history and science.