SINGH, Ankit; TEWARI, Ekta; RAVI, Priya. SERVQUAL (Service Quality) vs NPS (Net Promoter Score) : A Comparative Study of Private and Public Hospitals in Sikkim. Indian Journal of Marketing, [S. l.], v. 50, n. 10-11, p. 23–39, 2020. DOI: 10.17010/ijom/2020/v50/i10-11/155840. Disponível em: https://indianjournalofmarketing.com/index.php/ijom/article/view/155840. Acesso em: 9 oct. 2025.