RHAMDANI, N. I. Net Promoter Score sebagai Tolok Ukur Ketercapaian Customer Loyalty Peserta Pekerja Penerima Upah Badan Usaha. Jurnal Jaminan Kesehatan Nasional, [S. l.], v. 1, n. 2, p. 123–135, 2021. DOI: 10.53756/jjkn.v1i2.34. Disponível em: https://jurnal-jkn.bpjs-kesehatan.go.id/index.php/jjkn/article/view/34. Acesso em: 22 dec. 2024.