Não informado. (1980). Zimbabwe agricultural journal. Ministry of Lands, Agriculture and Rural Resettlement.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Zimbabwe Agricultural Journal. Harare: Ministry of Lands, Agriculture and Rural Resettlement, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Zimbabwe Agricultural Journal. Ministry of Lands, Agriculture and Rural Resettlement, 1980.
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