SUPRIADI; SOESILOWATI, Etty; DWIPUTRI, Inayati Nuraini. Optimizing the Service Profit Chain Model by Enhancing Job Satisfaction to Improve Customer Oriented Employee Performance at PDAM Kota Balikpapan. Economics and Business Journal (ECBIS), [S. l.], v. 4, n. 5, p. 2367–2382, 2026. DOI: 10.47353/ecbis.v4i5.395. Disponível em: https://ecbis.net/index.php/go/article/view/395. Acesso em: 25 jun. 2026.