TY  - BOOK
AU  - Valacich, Joseph
AU  - George, Joey
AU  - Hoffer, Jeffrey A. 
TI  - Essentials of Systems Analysis and Design
SN  - 9789332550209
U1  - 004.21/VAL/E 
PY  - 2015///
CY  - Noida
PB  - Pearson
KW  - Systems analysis and Design
ER  -