NAGUMANOVA, R. V.; SABIROVA, A. I.; TITOVA, N. G. Efficiency of an internal audit of companies' business processes. Amazonia Investiga, [S. l.], v. 7, n. 17, p. 306–318, 2018. Disponível em: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/359. Acesso em: 5 oct. 2025.