Enhancing Photovoltaic solar panel Raising efficiency of photovoltaic solar panel by preventive actionsGeorges Geagea, Abdallah Batache, Henri El Zakhem and Marie-Thérèse Moufarej Abou JaoudeMATEC Web Conf., 171 (2018) 01005DOI: https://doi.org/10.1051/matecconf/201817101005