1. U.S. Department of Commerce. U.S. Census Bureau. International Database [Internet]. 2008. Available from: http://www.census.gov/population/international [Accessed: June 6, 2021]
2. USDA/NAL. Sustainable Agriculture: Definition and Terms [Internet]. 1999. Available from: http://www.nal.usda.gov/afsic/pubs/terms/srb9902.shtml [Accessed: May 15, 2021]
3. Elam T. Is organic beef and dairy production a responsible use of our resources?. In: Proceedings of the 22nd Annual Southwest Nutrition & Management Conference; 22-23 February 2007; Tempez. Tucson: The University of Arizona. pp. 66-75
4. Wyrzykowski L, Reincke K, Hemme T. IFCN Long-Term Dairy Outlook – The IFCN Vision of the Dairy World in 2030 [Internet]. 2020. pp. 1-5. Available from: https://www.researchgate.net/publication/339508626 [Accessed: June 5, 2021]
5. FAOSTAT. Statistics Division, Food and Agriculture Organization of the United Nations, Rome, Italy. The Global Dairy Sector: Facts [Internet]. 2016. Available from: http://www.fao.org/3/cb2992en/cb2992en.pdf [Accessed: May 15, 2021]