“La “Billetera Móvil” Del BCE, Una Iniciativa Estatal Contra La Pobreza: Efectos económicos The BCE ‘Mobile Wallet’, a State Initiative Against Poverty: Economic Factors”. CIENCIA UNEMI 8, no. 13 (June 11, 2015): 100–111. Accessed November 5, 2024. https://ojs.unemi.edu.ec/index.php/cienciaunemi/article/view/87.