TY  - BOOK
AU  -  Jeffrey L. Whitten, Lonnie D. Bentley & Kevin C. Dittman -
TI  - Systems Analysis & Design Methods
SN  - 9780071148740
U1  - 004.21 WHI.4 
PY  - 1998///
PB  -  Mcgraw-Hill/ Irwin
ER  -