Larbi , M., Rouibah, A., GUEMANA, M. and LAISSAOUI , M. 2023. An analytical study of direct normal irradiaance for concentrated solar energy applications for the mechria region of Algeria. International Conference on Applied Engineering and Natural Sciences. 1, 1 (Jul. 2023), 565–569. DOI:https://doi.org/10.59287/icaens.1059.