Abano, Ernest Ekow, Livingston Kobina Sam-Amoah, and Ato Bart-Plange. “Variation in Ultrasonic Frequency and Time As Pre-Treatments to Air-Drying of Carrot”. Journal of Agricultural Engineering 43, no. 4 (March 26, 2013): e23. Accessed April 26, 2024. https://www.agroengineering.org/jae/article/view/jae.2012.e23.