(1991). Tropical root crops in a developing economy. Wageningen, Netherland: ISTRC.
シカゴスタイル引用形Tropical Root Crops in a Developing Economy. Wageningen, Netherland: ISTRC, 1991.
MLA引用形式Tropical Root Crops in a Developing Economy. Wageningen, Netherland: ISTRC, 1991.
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