SHARMA, N. P. Variability of Solar UV Index in Nepal. Journal of the Institute of Engineering, [S. l.], v. 12, n. 1, p. 114–119, 2017. DOI: 10.3126/jie.v12i1.16732. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/16732. Acesso em: 17 jun. 2024.