SHAWAKFEH, Walid; MASOUD, Sami. Classifying Business Firms in the Economy by Statistical Techniques. Applied Study in Jordan. Al-Balqa Journal for Research and Studies, [S. l.], v. 7, n. 1, p. 42–68, 2000. Disponível em: https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/464.. Acesso em: 10 oct. 2026.