Safitri, S., Kusumawardani, D., Wiguna, C., Supriyadi, D., & Yulita, I. (2020). MEASUREMENT OF VALIDITY AND RELIABILITY OF CUSTOMER SATISFACTION QUESTIONER in E-BOARDING APPICATIONS. Jurnal Pilar Nusa Mandiri, 16(1), 1-6. https://doi.org/10.33480/pilar.v16i1.1069