Suarlin, John. “Analisis Manajemen Kualitas Pelayanan Dengan Metode Quality Function Deployment”. JURNAL UNITEK 10, no. 1 (July 25, 2017): 46–59. Accessed November 25, 2024. https://ejurnal.sttdumai.ac.id/index.php/unitek/article/view/70.