PERFORMANCE COMPARISION OF MULTI SLOPE SOLAR STILL WITH DOUBLE SLOPE STILL. International Journal of Engineering Sciences & Management Research, [S. l.], v. 3, n. 6, p. 43–48, 2016. Disponível em: https://ijesmr.com/index.php/ijesmr/article/view/241. Acesso em: 4 feb. 2026.