SHARMA, N. P. Solar UV Index at Different Altitudes of Nepal. Journal of the Institute of Engineering, [S. l.], v. 14, n. 1, p. 200–205, 2018. DOI: 10.3126/jie.v14i1.20085. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/20085. Acesso em: 27 oct. 2021.