Solar radiation characteristics at Qena / Egypt. MAUSAM, [S. l.], v. 49, n. 1, p. 59–70, 1998. DOI: 10.54302/mausam.v49i1.3599. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/3599. Acesso em: 29 dec. 2025.