Improving photovoltaic module efficiency using water sprinklers, air fans, and combined cooling systemsIsmail Al-Masalha, Abdel Salam Alsabagh, Omar Badran, Naim Alkawaldeh, Taiseer M. Abu-Rahmeh and Aiman Al AlawinEPJ Photovolt., 15 (2024) 41DOI: https://doi.org/10.1051/epjpv/2024037