TULLI, M. M. Challenges facing internal audit function in improving organizational performance in local government authorities in Tanzania: a theory of wrestling for efficiency. African Journal of Finance and Management, [S. l.], v. 25, n. 1, p. 1–19, 2018. DOI: 10.4314/ajfm.v25i1. Disponível em: https://www.ajol.info/index.php/ajfm/article/view/176496. Acesso em: 7 oct. 2026.