Volume 21, Number 81 (January-March) 2019

Vértice Universitario  Volume 21, Number 81 (January-March) 2019, is a quarterly publication edited by the University of Sonora, through the Division of Economic and Administrative Sciences. Responsible editor: PhD. Joel Enrique Espejel Blanco. Reservation of Rights to Exclusive Use 04-2011-011410054200-102, ISSN: 2007-1388 granted by the National Copyright Institute. Legality of title: 13976. Legality of Content: 11549, both granted by the Qualifying Commission for Illustrated Publications and Magazines of the Ministry of the Interior. Printed by Imagen Digital del Noroeste, Veracruz no. 19, Col. San Benito, Hermosillo, Sonora, Mexico, this issue was finished printing on March 31, 2019 with a print run of 100 copies.