TY  - BOOK
AU  - Ken Bluttman 
TI  - Excel formulas & functions 
SN  - 978-1-119-51825-9
U1  - Cir. 005.54 B659 C2019 
PY  - 2019///
CY  - Canada 
PB  - John Wiley & Sons, Inc., 
ER  -