The NAL Thesaurus is an online vocabulary tool of agricultural terms in English and Spanish and is cooperatively produced by the National Agricultural Library, USDA and the Inter-American Institute for Cooperation on Agriculture. The thesaurus is the indexing vocabulary for the National Agricultural Library's bibliographic database of citations to agricultural resources, AGRICOLA.
|Автор||Author not given|
|Отговорник||National Agricultural Library|
National Agricultural Library Thesaurus. No author.
Retrieved 17:13, May 22, 2013 (UTC).
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