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John J. Liptak
John J. Liptak, Ed.D., (Virginia) is an internationally recognized author and lecturer whose books and assessment instruments have sold millions of copies. Liptak has been intervie...mehr sehenJohn J. Liptak, Ed.D., (Virginia) is an internationally recognized author and lecturer whose books and assessment instruments have sold millions of copies. Liptak has been interviewed by MSNBC and CNNRadio, and his work has been featured on MSN.com. Visit him online at www.johnliptakjr.com.weniger sehen