MS. RAVINA; DR. VIPIN NANDAL. Grievance Redressal Mechanisms and Their Impact on Customer Satisfaction and Brand Loyalty in the Indian Telecom and Banking Sectors. International Journal of Engineering Science & Humanities, [S. l.], v. 15, n. 4, p. 487–493, 2025. Disponível em: https://www.ijesh.com/j/article/view/468. Acesso em: 13 aug. 2026.