Jumah, M. N. B., Farhan, A. M., Allam, A. A., Abukhadra, M. R., Bellucci, S. (2026). Upcycling black tea waste into a bifunctional catalyst for efficient biodiesel production from waste cooking oil with kinetic and thermodynamic insights. Scientific Reports. https://doi.org/10.1038/s41598-026-59700-7