New soft computing model for multi-hours forecasting of global solar radiation Mawloud Guermoui, Kada Bouchouicha, Said Benkaciali, Kacem Gairaa and Nadjem Bailek Eur. Phys. J. Plus, 137 1 (2022) 162 Published online: 24 January 2022 DOI: 10.1140/epjp/s13360-021-02263-5