{{Cite journal| doi = 10.1016/j.ref.2020.10.007| volume = 35| pages = 178–181| last1 = Hallal| first1 = J.| last2 = Hammoud| first2 = M.| last3 = Moussa| first3 = T.| title = Experimental optimization of the Si photovoltaic panels cooling system on maximum allowable temperature criteria| journal = Renewable Energy Focus| date = 2020}}