WINSTON (Wayne L.), . (2008). Microsoft Office Excel 2007: Data Analysis and Business Modeling. New Delhi: Prentice Hall of India New Delhi.
WINSTON (Wayne L.), . 2008. Microsoft Office Excel 2007: Data Analysis and Business Modeling. New Delhi: Prentice Hall of India New Delhi.
WINSTON (Wayne L.), . Microsoft Office Excel 2007: Data Analysis and Business Modeling. New Delhi: Prentice Hall of India New Delhi. 2008.
