Chang, V. & Tovar de la Fe, B. E. (2014). Efficiency and productivity changes for Peruvian and Chilean ports terminals: A parametric distance functions approach. Transport Policy, v. 31, p. 83-94. https://doi.org/10.1016/j.tranpol.2013.11.007
Chang, V. & Tovar de la Fe, B. E. (2014). Efficiency and productivity changes for Peruvian and Chilean ports terminals: A parametric distance functions approach. Transport Policy, v. 31, p. 83-94. https://doi.org/10.1016/j.tranpol.2013.11.007