VAN DER WESTHUIZEN, G. Bank Efficiency And Financial Ratios: Rating The Performance Of The Four Largest South African Banks. Journal of Applied Business Research (JABR), [S. l.], v. 30, n. 1, p. 93–104, 2013. DOI: 10.19030/jabr.v30i1.8286. Disponível em: https://clutejournals.com/index.php/JABR/article/view/8286. Acesso em: 17 jul. 2024.