Synthesis and characterization of biodiesel from black date (Canarium schweinfurtii) seed kernel oil in the presence of green-synthesized Cu-Mn/TiO2 nanocatalyst using central composite design approach. Recent Advances in Natural Sciences, [S. l.], v. 4, n. 1, p. 227, 2026. DOI: 10.61298/rans.2026.4.1.227. Disponível em: https://flayoophl.com/journals/index.php/rans/article/view/227. Acesso em: 14 apr. 2026.