Roka, Fritz M., and Barbara R. Hyman. 2013. “Measuring Productivity of Citrus Hand Harvesters and Assessing Implications on Harvest Costs and Mechanical Harvesting Developments: FE933, 5/2013”. EDIS 2013 (5). Gainesville, FL. https://doi.org/10.32473/edis-fe933-2013.