TY  - BOOK
AU  - WHITTEN J.L. & BENTLEY,L.D. & DITTMAN, K.C.
TI  - SYSTEMS ANALYSIS AND DESIGN METHODS
SN  - 0000070445397
U1  - 004.21 
PB  - NEW DELHI : TATA MCGRAW-HILL
KW  - SYSTEMS ANALYSIS : SYSTEMS DESIGN
ER  -