@inbook{c2c64941aeae461a946599d02fc6050d,
title = "Behavior of the Gravitational Model in Colombian International Trade 2018",
author = "\{Sarmiento Suarez\}, \{Jaime Enrique\} and \{Ramirez Monta{\~n}ez\}, \{Julio Cesar\}",
year = "2020",
language = "Espa{\~n}ol (Colombia)",
isbn = "978-980-433-025-4",
booktitle = "Gesti{\'o}n del Conocimiento. Perspectiva Multidisciplinaria, Volumen 27",
publisher = "Fondo Editorial Universitario de la Universidad Nacional Experimental Sur del Lago Jes{\'u}s Mar{\'i}a Sempr{\'u}m",
}