Simple Vacuum Distillation of Vetiver Oil from Smallholders for Quality Improvement. Global Journals of Research in Engineering, [S. l.], v. 15, n. C3, p. 1–7, 2015. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1374. Acesso em: 19 jun. 2026.