TY  - BOOK
AU  - Orr,Ken
TI  - Structured systems development
SN  - 0917072065
AV  - QA76.6 .O77
U1  - 001.61 
PY  - 1977///
CY  - New York
PB  - Yourdon Press
KW  - Structured programming
KW  - System analysis
KW  - Problem solving
N1  - Includes index; Bibliography: p. 163-165
ER  -