Não informado. (1960). East African Agricultural and Forestry Journal. Kenya Agricultural Research Institute.
Chicago-referens (17:e uppl.)Não informado. East African Agricultural and Forestry Journal. Nairobi: Kenya Agricultural Research Institute, 1960.
MLA-referens (8:e uppl.)Não informado. East African Agricultural and Forestry Journal. Kenya Agricultural Research Institute, 1960.
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