Kirsten, J. F. (2013). South African agricultural production, productivity and research performance in the 20th century. University of Pretoria.
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Chicago Style (17th ed.) Citation
Kirsten, Johann F. South African Agricultural Production, Productivity and Research Performance in the 20th Century. University of Pretoria, 2013.
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MLA (9th ed.) Citation
Kirsten, Johann F. South African Agricultural Production, Productivity and Research Performance in the 20th Century. University of Pretoria, 2013.
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Warning: These citations may not always be 100% accurate.