TREVISAN WEBER, Caroline; RANZAN, Lucas; MENZ LIESEGANG, Luciano Luís; FERREIRA TRIERWEILER, Luciane; TRIERWEILER, Jorge Otávio. A circular economy model for ethanol and alcohol-based hand sanitizer from sweet potato waste in the context of COVID-19. Brazilian Journal of Operations & Production Management, [S. l.], v. 17, n. 3, p. 1–12, 2020. DOI: 10.14488/BJOPM.2020.028. Disponível em: https://bjopm.org.br/bjopm/article/view/1025. Acesso em: 10 feb. 2026.