TY  - BOOK
AU  - Sage, Andrew P
AU  - Sage, Andrew P, ed. series
TI  - Economic systems analysis
SN  - 444007318
CY  - New York
KW  - Economic system analysis
KW  - Engineering economy
KW  - Microeconomics
KW  - Production theory firm
KW  - System analysis
KW  - Theory consumer
ER  -