FACHMI AL FAROQI; SENA ATMAJA; ABU NAIM; DADANG; HELMAS SEPTIYO HADI; SITI MAESAROH. MEASUREMENT OF CUSTOMER SATISFACTION INDEX ON SERVICE SATISFACTION AT SAMUDRA SUPERMARKET, MADIUN CITY. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 4, n. 5, p. 1908–1911, 2025. DOI: 10.54443/ijset.v4i5.947. Disponível em: https://ijset.org/index.php/ijset/article/view/947. Acesso em: 11 sep. 2025.