Sift, Michael, Sophia Wagner, and Martin Hessling. “Investigations on Temperature Effects and Germ Recovery for Solar Water Disinfection (SODIS)”. International Journal of Applied Sciences and Biotechnology 4, no. 4 (January 6, 2017): 430–435. Accessed March 28, 2024. https://www.nepjol.info/index.php/IJASBT/article/view/16238.