TY  - BOOK
AU  - Held, Bernd
AU  - Richardson, Theodor 
TI  - Microsoft excel : functions and formulas
SN  - 9788183331821
U1  - 005.54 
PY  - 2015///
CY  - New Delhi 
PB  - BPB 
KW  - Microsoft Excel (Computer file)
ER  -