VARKEY, A.; DLAMINI, M. Design, construction and use of solar stills for water purification: A study of their performance in two geographical regions in Swaziland. Southern African Journal of Natural and Applied Sciences (SAJNAS), [S. l.], v. 15, n. 1, 2014. Disponível em: http://ojs.uneswa.ac.sz/index.php/urejast/article/view/244. Acesso em: 21 dec. 2024.