Laayouj, Nabil, Hicham Jamouli, and Mohamed El Hail. 2016. “Intelligent Prognostic Framework for Degradation Assessment and Remaining Useful Life Estimation of Photovoltaic Module”. Journal of Engineering and Technological Sciences 48 (6):772-95. https://doi.org/10.5614/j.eng.technol.sci.2016.48.6.9.