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. IJSET [Internet]. 2025 Jul. 28 [cited 2025 Sep. 11];4(5):1908-11. Available from: https://ijset.org/index.php/ijset/article/view/947