DANIYAR JAILAUBAYEV. Methodologies for Cost Reduction and Profitability Enhancement in Industrial Procurement. The American Journal of Management and Economics Innovations, [S. l.], v. 7, n. 09, p. 40–47, 2025. DOI: 10.37547/tajmei/Volume07Issue09-06. Disponível em: https://www.theamericanjournals.com/index.php/tajmei/article/view/6782. Acesso em: 17 jan. 2026.