DHAKSHNA MOORTHY D. Starbucks Coffee Brand Success through Six-Sigma in Quality Management. Journal of Purchasing, Logistics and Supply Chain Management system (e-ISSN: 3048-6254), [S. l.], v. 5, n. 1, p. 10–15, 2024. Disponível em: https://matjournals.net/engineering/index.php/JPLACMS/article/view/212. Acesso em: 10 may. 2026.