PU, Yingjun; TOUDESHKI, Arash; EHSANI, Reza; YANG, Fuzeng. Design and evaluation of a two-section canopy shaker with variable frequency for mechanical harvesting of citrus. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 11, n. 5, p. 77–87, 2018. Disponível em: https://www.ijabe.org/index.php/ijabe/article/view/4445. Acesso em: 30 jan. 2026.