Analisis Tingkat Loyalitas Pasien Rumah Sakit di Kecamatan Mergangsan Yogyakarta Menggunakan Metode Net Promoter Score. Efektif [Internet]. 2025 Aug. 30 [cited 2025 Oct. 31];16(1):68-87. Available from: https://jurnalefektif.janabadra.ac.id/index.php/ojs/article/view/45