Não informado. (1986). Abstracts on Rural Development in the Tropics. Royal Tropical Institute.
Citace podle Chicago (17th ed.)Não informado. Abstracts on Rural Development in the Tropics. Amsterdam: Royal Tropical Institute, 1986.
Citace podle MLA (8th ed.)Não informado. Abstracts on Rural Development in the Tropics. Royal Tropical Institute, 1986.
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