Sunspot analysis under varying conditions climate: Distributed radiation on cooling floor and its effect on dynamic thermal behaviour 275-291 10.1016/j.solener.2021.03.082 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85105335800&doi=10.1016%2fj.solener.2021.03.082&partnerID=40&md5=6fd934ce9524352b10a0b60da28efb80 Scopus 221 2021 Solar Energy M.H.Benzaama A.M.Mokhtari M.Lachi C.Maalouf S.Menhoudj