A Case Analysis of Financial Performance of AOS System with the elp of Ratio Analysis . IITM JOURNAL OF BUSINESS STUDIES (JBS), [S. l.], v. 3, n. 1, p. 52–59, 2017. Disponível em: https://journals.acspublisher.com/index.php/jbs/article/view/16944. Acesso em: 3 apr. 2025.