Pardo, R. A., and J. M. Lopez-Lezama. “A Literature Review of Optimal Generation Start-Up Methodologies for Power System Restoration Considering Conventional and Non-Conventional Renewable Energy Sources”. Revista Ingenierías Universidad De Medellín, Vol. 19, no. 36, Aug. 2019, pp. 187-04, doi:10.22395/rium.v19n36a9.