Mariani, R., Soediro, I. S., Ihsan, S., Eva, S. and Nuraisyah, D. (2013) “Antioxidant Activity and Antocyanin Derivatives Study of Red Katuk (Euphorbia cotinifolia L.) Leaves”, Acta Pharmaceutica Indonesia, 38(2), pp. 62-66. doi: 10.5614/api.v38i2.5212.