Fonti Treccani.itTreccani.it: Enciclopedia, Vocabolario
; CABCAB Thesaurus, [edited by] CABI, Commonwealth Agricultural Bureaux International http://www.cabi.org/cabthesaurus/mtwdk.exe?yj=home
, 1983- (agg. continuo). In italiano e in altre lingue
; NALTUSDA, United States department of agriculture - National agricultural library - Inter-American institute for cooperation on agriculture, The agricultural thesaurus and glossary https://agclass.nal.usda.gov/
, 2002- ; vers. in inglese e spagnolo
List of new terms (2020) https://agclass.nal.usda.gov/dne/newde.shtml
; ; Wikipedia(IT)Wikipedia. L'enciclopedia libera, [ed. in lingua italiana dell' enciclopedia online Wikipedia]
, 2001-
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