WILLIAMS, I. Telecom Policy Innovation: the Role of Free Spectrum and Telecommunication Development in Rural Ghana. Journal of Technology Management & Innovation, Santiago, Chile, v. 6, n. 3, p. 93–105, 2011. DOI: 10.4067/S0718-27242011000300007. Disponível em: https://www.jotmi.org/index.php/GT/article/view/art209. Acesso em: 3 dec. 2021.