Vol. 15 No. 40 (2017)

Published: 2017-04-05

Original Research

Embedded system for staff access control using NFC and MIFARE technologies

Rodrigo Andrés Góngora Herrera, Brayan David Ruiz Rubiano, Darin Jairo Mosquera Palacios

9-26
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3D reconstruction system for semi-automatic estimation of objects length and area by means of stereo vision

Bryan García, Carlos Diego Ferrin B., Jorge Humberto Erazo

27-39
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Options valuation analysis of the shares of Ecopetrol and Pacific Exploration between June 2013 and July 2016

Álvaro Javier Cangrejo, Christian Camilo Cortés

41-53
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Free software for digitalization and management of electronic documents at official entities

Javier López Martínez

69-87
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Discussion papers

Benefits of using a mobile application in learning a foreign language

Judith Bustillo, Claribel Rivera, Juan Genaro Guzmán, Lizeth Ramos Acosta

55-68
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Editorial

Presentation

José Ignacio Claros

5 y 6
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