http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
So sánh năng suất 5 loại bắp vàng (Zea mays L.): Tainan 5, Western Yellow, Guatemala, Cupurico, và Indonesia dùng nuôi gia súc tại Việt Nam
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