TY  - GEN
AU  - Hawryszkiewycz,I.T.
TI  - Introduction to systems analysis and design
SN  - 013488941X
AV  - T57.6 HAW 1991 
PY  - 1991///
CY  - New York
PB  - Prentice Hall
KW  - System analysis
N1  - Includes index; Includes bibliographical references
ER  -