Ishaka, A. ., A. M. Umar, and Z. . Bashir. “Phytochemical Constituents, and Antioxidant Activities of Sokoto-Grown Hibiscus Sabdariffa (Zobo)”. International Journal of Science for Global Sustainability, vol. 11, no. 2, July 2025, pp. 111-6, doi:10.57233/ijsgs.v11i2.855.