Pérez-Reyes, R. & Tovar de la Fe, B, E. (2009). Measuring efficiency and productivity change (PTF) in the Peruvian electricity distribution companies after reforms. Energy Policy, v. 37, p. 2249-2261. https://doi.org/10.1016/j.enpol.2009.01.037
Pérez-Reyes, R. & Tovar de la Fe, B, E. (2009). Measuring efficiency and productivity change (PTF) in the Peruvian electricity distribution companies after reforms. Energy Policy, v. 37, p. 2249-2261. https://doi.org/10.1016/j.enpol.2009.01.037