R. P. Gallardo, A. O. Castro, J. S. Ramírez, A. H. Rodriguez, E. N. Angarita, and Y. M. Maldonado, “Economic and Energy Analysis of Small Capacity Grid-connected Hybrid Photovoltaic-wind Systems in Mexico”, IJEEP, vol. 10, no. 2, pp. 7–17, Jan. 2020.