Ruíz, M. E., Cubillos, G., & Deaton, O. (1979). A system of milk production for small farmers.
シカゴスタイル引用形Ruíz, M. E., G. Cubillos, , O. Deaton. A System of Milk Production for Small Farmers. 1979.
MLA引用形式Ruíz, M. E., G. Cubillos, , O. Deaton. A System of Milk Production for Small Farmers. 1979.
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