Osaremwinda Omorogiuwa, Ejaita Abugor Okpako and Juliana Ndunagu (2023) “Cross-Platform Android App Gateway Payment System using Xamarin”, International Journal of Computer (IJC), 48(1), pp. 37–47. Available at: https://www.ijcjournal.org/InternationalJournalOfComputer/article/view/2070 (Accessed: 6 December 2025).