Hutabarat, Liber Tommy, and Lisda Juliana Pangaribuan. 2020. “Analysis of Cadets Satisfaction to Medan Aviation Polytechnic Service Using Quality Function Deployment (QFD) Method”. Sinkron : Jurnal Dan Penelitian Teknik Informatika 4 (2):141-50. https://doi.org/10.33395/sinkron.v4i2.10536.