Evaluation of the effectiveness of distance training in Lean Six Sigma Black Belt. Research, Society and Development, [S. l.], v. 14, n. 12, p. e184141250463, 2025. DOI: 10.33448/rsd-v14i12.50463. Disponível em: https://www.rsdjournal.org/rsd/article/view/50463. Acesso em: 2 jan. 2026.