TY  - BOOK
AU  - Whitten,J.L & Bentley,L.D & Dittman,K.C
TI  - Systems Analysis and Design Methods :( With CD)
SN  - 0000070582246
U1  - 004.21 
PB  -  New delhi : Tata McGraw hill
KW  - Systems Analysis: Systems Design
ER  -