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Classical swine fever changes the way farmers value pigs in South Africa
Madzimure, James, (2015)
Agrarische Zustände in Frankreich und England. Auf Grund der neueren Enquêten dargestellt
von Reitzenstein, Friedrich Frhr., (1884)
Statistiche sulla pesca e zootecnia
(2003)
Marketing behaviour and marketing preferences of Bophuthatswana cattle owners
Groenewald, Johannes A., (1985)
The impact of risk and uncertainty in agriculture on the agricultural input industry
Clus, C. F. le, (1982)
Returns to size and structure of agriculture : a suggested interpretation
Groenewald, Johannes A., (1991)