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Gerard J. Jansen, PhD, is a financial analyst with a major software company in the Boston area.

Books by Gerard J. Jansen

Living with ADD
M. Susan Roberts and Gerard J. Jansen
Your rating: None (6 votes)
An estimated 3 to 10 million adults in the US struggle with the symptoms of attention-deficit disorder (ADD.) If you’re among this group, this interactive workbook will enable you to identify the... Read More