15.
Rodrigues i in. 2016 – Rodrigues, S., Torabikalaki, R., Faria, F., Cafôfo, N., Chen, X., Ramezani, Ivaki, A., Mata-Lima, H. i Morgado-Dias, F. 2016. Economic feasibility analysis of small scale PV systems in different countries. Solar Energy Volume 131, June 2016, s. 81–95.