TY  - BOOK
AU  - DIRICKX, Yyo M.I
TI  - Systems analysis by multilevel methods: with applications to economics land management
U1  - 658.403 2 D46S 
PY  - 1979///
PB  - Chichester
KW  - MANAGEMENT
KW  - ECONOMICS, MATHEMATICAL
KW  - SYSTEM ANALYSIS
ER  -