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2. COVID-19 and farm workers: Challenges facing California agriculture;Beatty T.;ARE Update,,2020
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5. Calvin L. Martin P. & Simmitt S. (2022). Adjusting to higher labor costs in Selected U.S. Fresh Fruit and Vegetable Industries USDA ERS EIB 235. https://www.ers.usda.gov/publications/pub-details/?pubid=104217.