Yazar
Graham Francis Donaldson
5 cilt bulundu.
Cilt sonuçları
An operating procedure for simulation farm planning--
Graham Francis Donaldson · Department of Economics, Wye College
30 sayfa · 1968
Farm management / Mathematical models / Monte Carlo method
Farm machinery capacity
Graham Francis Donaldson · Queen's Printer
161 sayfa · 1970
Cost of operation / Agricultural machinery
Farm machinery testing
Graham Francis Donaldson · Royal Commission on Farm Machinery
92 sayfa · 1970
Agricultural machinery / Testing
Farm machinery safety
Graham Francis Donaldson · Royal Commission on Farm Machinery
137 sayfa · 1968
Agricultural laborers / Agricultural machinery / Health and hygiene / Safety measures
Optimum harvesting systems for cereals
Graham Francis Donaldson · Wye College (School of Rural Economics and Related Studies).
92 sayfa · 1970
Costs / Grain / Harvesting / Harvesting machinery