R. Alfia Fadri, S. Salvia, R. Novita, Y. Muchrida, S. Kembaryanti Putri, and F. Violalita, “Phenolics Total and Antioxidant Activity of Strawberry (Fragaria chiloensis)”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 5, no. 6, pp. 392–395, Dec. 2015.