1. Organic farming in the EU. A Fast Growing Sector. EU Agricultural Markets Briefshttps://ec.europa.eu/info/sites/info/files/food-farming-fisheries/farming/documents/market-brief-organic-farming-in-the-eu_mar2019_en.pdf
2. Principles of Organic Agriculture,2005
3. The World of Organic Agriculture. Statistics and Emerging Trends 2020;Willer,2020
4. Piano Strategico Nazionale per lo Sviluppo del Sistema Biologicohttps://www.politicheagricole.it/flex/cm/pages/ServeBLOB.php/L/IT/IDPagina/10014
5. The Next Phase of Organic Developmenthttps://www.ifoam.bio/sites/default/files/organic3.0_v.2_web_0.pdf