TY  - GEN
AU  - Hawryszkiewycz, I.T
AU  - Hawryszkiewycz, I.T
TI  - Introduction to systems analysis and design. - 2nd ed.
SN  - 81 203 0718 6
U1  - 004.412 2 HAW 
PY  - 1994///
CY  - New Delhi
PB  - Prentice Hall
KW  - System design
KW  - Information systems
ER  -