MOS 2013 Study Guide for Microsoft Excel (MOS Study Guide)
Joan Lamberthas worked in the training and certification industry since 1997. As president of Online Training Solutions, Inc. (OTSI), Joan is responsible for guiding the translation of technical information and requirements into useful, relevant, and measurable training, learning, and certification deliverables. An MCTS, MOM, MCAS, and MCT, Joan is the author or coauthor of more than two dozen books about Windows and Microsoft Office (for Windows and for Mac).