INVESTIGATING THE ACIDITY EFFECT OF NIOBIA AS CATALYTIC SUPPORT FOR FURFURAL CONVERSION: Original scientific paper. Chemical Industry & Chemical Engineering Quarterly, [S. l.], v. 32, n. 2, p. 87–97, 2025. DOI: 10.2298/CICEQ241019013C. Disponível em: https://www.ache-pub.org.rs/index.php/CICEQ/article/view/1499. Acesso em: 14 feb. 2026.