TY  - GEN
AU  - Checkland, Peter.
AU  - Systems thinking, systems practice
TI  - Soft systems methodology : a 30-year retrospective
AV  - Q295 Che.
PY  - 1999///
PB  - J. Wiley
KW  - System theory
KW  - Problem solving
KW  - System analysis
N1  - 7847
N2  - Bound with Systems thinking, systems practice
ER  -