Hutabarat, Liber Tommy, and Lisda Juliana Pangaribuan. “Analysis of Cadets Satisfaction to Medan Aviation Polytechnic Service Using Quality Function Deployment (QFD) Method”. Sinkron : jurnal dan penelitian teknik informatika 4, no. 2 (April 10, 2020): 141-150. Accessed July 16, 2024. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/10536.