Sunshine and cloudiness over India. MAUSAM, [S. l.], v. 23, n. 3, p. 395–400, 1972. DOI: 10.54302/mausam.v23i3.5294. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5294. Acesso em: 22 dec. 2025.