TY  - BOOK
AU  - Gane Chris
AU  -  Sarson Rish
TI  - Structured systems analysis :  tools and techniques
T2  - Prentince-Hall software series
U1  - X:89M, L92 
PY  - 1979///
CY  - Englewood
PB  - Cliffs Prentice-Hall      
KW  - ECONOMICS
ER  -