TY  - BOOK
AU  - Ridge,Warren J
AU  - Johnson, Leann E
TI  - How to control costs and improve profits through the effective management of computer software
SN  - 0-87094-061-0
PY  - 1973///
CY  - Illinios: 
PB  - Dow Jones-Irwin Inc, 
KW  - Computer
KW  - Engineer software
ER  -