Panjaitan, Agustina erista, and Arsyad Sumantika. “ANALISIS PENINGKATANDAN PENGEMBANGAN MUTU PELAYANAN DENGAN QUALITY FUNCTION DEPLOYMENT PADA PT PKP BATAM”. Computer and Science Industrial Engineering (COMASIE) 8, no. 3 (January 27, 2023): 19–30. Accessed January 5, 2025. https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/6900.