ARIFIN, Furry. Mempermudah Pengawasan Operasional dan Keuangan di Biro Perjalanan dengan Menggunakan Aplikasi Gtass. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 5, n. 2, p. 720–730, 2014. DOI: 10.21512/comtech.v5i2.2234. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2234. Acesso em: 11 jul. 2025.