Pokhrel, Rudra P, and Binod K Bhattarai. “Relation Between Global Solar Radiation and Solar Ultraviolet Radiation in Different Parts of Nepal”. Journal of the Institute of Engineering 8, no. 3 (February 26, 2012): 169–175. Accessed April 19, 2024. https://www.nepjol.info/index.php/JIE/article/view/5942.