Experimental optimization of the Si photovoltaic panels cooling system on maximum allowable temperature criteriatextjournalArticleHallalJ.autHammoudM.autMoussaT.aut10.1016/j.ref.2020.10.007https://www.scopus.com/inward/record.uri?eid=2-s2.0-85097206891&doi=10.1016%2fj.ref.2020.10.007&partnerID=40&md5=1ba2577328d557efd2986cc4f54b0520journal351781812020continuingRenewable Energy Focus