TY  - BOOK
AU  - Bala, B.K.
TI  - Principles of system dyanamics: with agricultural aquacultural, enviornmental and socio - economic applications
U1  - FPM 631.302.85 B16P 
PY  - 1999///
CY  - Udaipur
PB  - Agrotech publishing academy
KW  - AGRICULTURAL MACHINERY -- MODELS AND MODELLING
KW  - AGRICULTURAL MACHINERY -- MODELS AND MODEL
KW  - SIMULATION METHOODS
KW  - SYSTEM DYANAMICS
ER  -