Amin, Astuti, Riski, Radhia, AND Sutamanggala, Nuning. " Antioxidant Activity of Mesocarp Extract of Watermelon (Citrullus lanatus (Thunb) Matsun & Nakai) Using ABTS Method" Journal of Pharmaceutical and Medicinal Sciences [Online], Volume 6 Number 1 (14 July 2021)