Piters, B. d. S. (1995). Diversity of fields and farmers: Explaining yield variations in northern cameroon. Landbouw University.
Styl ChicagoPiters, Bart de Steenhuijsen. Diversity of Fields and Farmers: Explaining Yield Variations in Northern Cameroon. Wageningen: Landbouw University, 1995.
Citace podle MLAPiters, Bart de Steenhuijsen. Diversity of Fields and Farmers: Explaining Yield Variations in Northern Cameroon. Landbouw University, 1995.
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