M. Iqbal, M. Mustaina, and N. F. M. . Yusuf, “Synergistic Antioxidant Activity of Roselle (Hibiscus sabdariffa L.) and Basil (Ocimum sanctum L.) Extract Syrup in Rats Exposed to Oxidative Stress from Used Cooking Oil”, Maj. Kesehat. Indones., vol. 6, no. 3, pp. 127–136, Oct. 2025.