http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Giáo trình nghiên cứu về dinh dưỡng học gia súc, gia cầm, và các hoạt động sống của chúng
Nguyễn Nhựt Xuân Dung, Lưu Hữu Mãnh, Võ Ái Quấc
Animal feeding,Feeding,Thức ăn gia súc