Speed and rotation variations in gathering coffee machine. Bioscience Journal, Uberlândia, MG, v. 36, n. 1, p. 61–67, 2020. DOI: 10.14393/BJ-v36n1a2020-42194. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/42194. Acesso em: 3 jan. 2026.