Information ststems for agriculture
BLACKIE, M. J
Information ststems for agriculture - London 1979 - 176p
AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATION SERVICES
AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATI FARM MANAGEMENT -- INFORMATION SERVICES
338. 102 85 B58I
Information ststems for agriculture - London 1979 - 176p
AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATION SERVICES
AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATI FARM MANAGEMENT -- INFORMATION SERVICES
338. 102 85 B58I