Safitri, Sisilia, Dwi Kusumawardani, Citra Wiguna, Didi Supriyadi, and Intan Yulita. “MEASUREMENT OF VALIDITY AND RELIABILITY OF CUSTOMER SATISFACTION QUESTIONER in E-BOARDING APPICATIONS”. Jurnal Pilar Nusa Mandiri 16, no. 1 (March 15, 2020): 1-6. Accessed March 29, 2024. https://ejournal.nusamandiri.ac.id/index.php/pilar/article/view/1069.