Kesuma, M. E.-K., Gunawan, I. and Ridho Setiawan, M. A. (2026) “CUSTOMER SERVICE CHAT APPLICATION DESIGN RADEN INTEN II AIRPORT, LAMPUNG”, Ultimatics : Jurnal Teknik Informatika, 17(2), pp. 241–249. doi: 10.31937/ti.v17i2.4357.