Optimization of the upgrading process of bio-oil from palm fronds: The effect of temperature, catalyst mass ratio, and reaction time. Jurnal Pendidikan Kimia, [S. l.], v. 16, n. 1, p. 23–29, 2024. DOI: 10.24114/jpkim.v16i1.52556. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/52556. Acesso em: 26 mar. 2026.