YONGPRADOEM, P. ., and N. . WEERAPREEYAKUL. “Evaluation of Antioxidant Activity and Inhibition of Tyrosinase Activity of Raphanus Sativus Var. Caudatus Alef Extract”. Walailak Journal of Science and Technology (WJST), vol. 17, no. 8, Aug. 2020, pp. 838-50, doi:10.48048/wjst.2020.5541.