Features of Applying the Customer Satisfaction Index (CSI) in Business Modelling, Strategic Planning, and Strategic Management. European Scientific e-Journal, [S. l.], n. 36, p. 137–144, 2025. DOI: 10.61726/8260.2025.53.34.001. Disponível em: https://journals.eiid.eu/index.php/esej/article/view/241. Acesso em: 14 nov. 2025.