H. K. lawan, M. A. Usman, C. B. Bristone, F. A. Mustapha, and A. Mai-Jalo, “Production and Quality Evaluation of Spiced Black Tea Blends”, FJS, vol. 10, no. 11, pp. 108–112, Jul. 2026, doi: 10.33003/fjs-2026-1011-4932.