MORENO, Pilar Alexandra; ROJAS LÓPEZ, Carlos Alberto; FLECHAS BECERRA, Yaneth. Reading and Calculating Billing Through Mobile Devices. Publicaciones e Investigación, Colombia,CO, v. 7, p. 21–31, 2013. DOI: 10.22490/25394088.1104. Disponível em: https://hemeroteca.unad.edu.co/index.php/publicaciones-e-investigacion/article/view/1104.. Acesso em: 28 nov. 2024.