TY  - TH
AU  - Ulloa,O.
TI  - Simulation model analysis of machinery selection for collective ejidos in Mexico
PY  - 1987///
CY  - East Lansing, MI (USA)
PB  - Michigan State University, Department of Agricultural Engineering, 
KW  - Collective farming
KW  - Computers
KW  - Data analysis
KW  - Economic analysis
KW  - AGROVOC
KW  - Gossypium
KW  - Leases
KW  - Machinery
KW  - Maintenance
KW  - Mechanization
KW  - Mexico
KW  - Models
KW  - Nonoptimizing methods
KW  - Production
KW  - Sonora
KW  - Soybeans
KW  - Technical aid
KW  - Rotational -
KW  - Término tomado de AGROVOC
KW  - Wheat
KW  - Tillage
N1  - Thesis (Ph. D)-Michigan State University, 1987, tables, graphs
ER  -