M. B. Yakubu, J. Yusuf, and V. A. Rwuaan, “FIRST ISOLATION OF LUPEOL FROM THE ETHYL ACETATE SOLUBLE FRACTION OF THE METHANOL ROOT BARK EXTRACT OF Pterocarpus erinaceus (POIR)”, FJS, vol. 10, no. 4, pp. 103–107, Feb. 2026, doi: 10.33003/fjs-2026-1004-4743.