TY  - BOOK
AU  - Valacich, Joseph S 
AU  - George, Joey F 
TI  - Modern systems analysis and design
SN  - 9781292154145
U1  - 003  
PY  - 2017///]
CY  - Harlow, Essex
PB  -  Pearson Education Limited
KW  - Systems analysis
ER  -