Adzu, B., A. K. Haruna, M. Ilyas, U. U. Pateh, F. D. Tarfa, B. A. Chindo, and K. S. Gamaniel. “Structural Characterization of ZS – 2A: An Antiplasmodial Compound Isolated from Zizyphus Spina-Christi Root Bark”. Journal of Pharmacy and Nutrition Sciences, vol. 1, no. 1, Feb. 2022, pp. 48-53, doi:10.6000/1927-5951.2011.01.01.09.