ESTIMATION OF SOLAR RADIATION ENERGY FLUX ON THE EARTH’S SURFACE OVER A DAY . Scientific journal of the Fergana State University, [S. l.], v. 30, n. 6, p. 103, 2025. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/5729. Acesso em: 9 jan. 2026.