Local Productive Arrangement – LPA mineral-based: Supply Chain Study of Opala de Pedro II- PI. Research, Society and Development, [S. l.], v. 9, n. 8, p. e83984875, 2020. DOI: 10.33448/rsd-v9i8.4875. Disponível em: https://www.rsdjournal.org/rsd/article/view/4875. Acesso em: 15 dec. 2025.