@TECHREPORT{Jim_Bil_2016,
author = "Jiménez, Dave - Patarroyo, Catalina - Arias, Fernanda - Malaver, Andrés",
title = "Bill Issue",
year = 2016,
institution = "Repositorio Corporación Unificada Nacional de Educación Superior",
url = "https://repositorio.cun.edu.co/handle/cun/6099",
}