SILVEIRA, Franco da; MACHADO, Filipe Molinar; ROMANO, Leonardo Nabaes; AMARAL, Fernando Gonçalves; RUPPENTHAL, Janis Elisa. Strategy for the development of agricultural machinery: importance of patent analysis. Brazilian Journal of Operations & Production Management, [S. l.], v. 15, n. 4, p. 535–544, 2018. DOI: 10.14488/BJOPM.2018.v15.n4.a7. Disponível em: https://www.bjopm.org.br/bjopm/article/view/513. Acesso em: 15 feb. 2026.