BETTS, B. S. H. . The Impact of E-commerce on Sierra Leone Tourism Industry. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 69, n. 1, p. 73–88, 2020. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5807. Acesso em: 5 may. 2024.