Fidrianny, I., A. ., and K. Ruslan. “ANTIOXIDANT ACTIVITIES OF ARABICA GREEN COFFEE FROM THREE REGIONS USING ABTS AND DPPH ASSAYS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 9, no. 2, Mar. 2016, pp. 189-93, https://mail.innovareacademics.in/journals/index.php/ajpcr/article/view/10362.