Pérez Pulido, M. O.; Orlandoni Merli, G.; Ramoni Perazzi, J. Application of Time Series Methodology the Estimation of the Levels of Exports of Colombia’s Coffee Period 1958 - 2011. Innovaciencia 2013, 1 (1), 11-16. https://doi.org/10.15649/2346075X.210.