Giraldo-Caiza, J., & Gómez-Sánchez, A. M. (2013). Measurement of total factor productivity in the commercial sector of Popayán, 2011-2012. Universidad de Cartagena.
Cita Chicago Style (17a ed.)Giraldo-Caiza, Jorge, y Andrés Mauricio Gómez-Sánchez. Measurement of Total Factor Productivity in the Commercial Sector of Popayán, 2011-2012. Universidad de Cartagena, 2013.
Cita MLA (9a ed.)Giraldo-Caiza, Jorge, y Andrés Mauricio Gómez-Sánchez. Measurement of Total Factor Productivity in the Commercial Sector of Popayán, 2011-2012. Universidad de Cartagena, 2013.