Multi-Decadal Surface Solar Radiation Trends Over Sumatra (1980-2025): Implications for Solar Energy Development. Proceeding of International Physics Conference, [S. l.], v. 2, n. 1, p. 44–56, 2026. Disponível em: https://proceedings.fisikaupi.id/index.php/ipc/article/view/68. Acesso em: 14 oct. 2026.