@ARTICLE{Pér_GRI_2014,
author = "Pérez, Carmen Inés Báez - Zarabanda, Martha Isabel Suárez",
title = "GRID, una perspectiva general",
year = 2014,
publisher = "Universidad de Boyacá",
url = "https://repositorio.uniboyaca.edu.co/handle/uniboyaca/430",
}