TY  - BOOK
AU  - Whitten L, J.
AU  - Dittmman C, K. and  Bently D, L.
TI  - Systems analysis and design methods
SN  - 0072474173
AV  - QA 76.9.S88 WHI
PY  - 2003///
CY  - Delhi
PB  - Tata McGraw Hill Publishing
N1  - Includes bibliographical references and index
ER  -