E. ONUIRI, Ernest; C. OMOROJE, Henry; G. NTIMA, Chukwudi; A. OMOTUNDE, Ayokunle. Intelligent Tourism Management System. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 18, n. 1, p. 304–315, 2016. Disponível em: https://asrjetsjournal.org/American_Scientific_Journal/article/view/1577. Acesso em: 24 oct. 2025.