by 
 Walkenbach, John.
Format: 
Books
Publication Date 
 2007
Excerpt: 
Excel 2007 formulas / Walkenbach, John.
by 
 Walkenbach, John, author.
Format: 
Books
Publication Date 
 2013
Excerpt: 
Excel 2013 formulas / Walkenbach, John, author.
by 
 Gaffikin, M. J. R. (Michael John Renny), 1944-
Format: 
Books
Publication Date 
 1993
Excerpt: 
Walgenbach, Paul H. (Paul Henry), 1923- Principles of accounting. 3rd ed.
