SIBAGARIANG, Y. P.; NAPITUPULU, F. H.; KAWAI, H.; AMBARITA, H. Preliminary Test of Double Slope Solar Still Integrating with Oil Palm Shells. ITB Graduate School Conference, [S. l.], v. 3, n. 1, p. 692–699, 2023. Disponível em: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/185. Acesso em: 9 oct. 2025.