S. Stevenie, E. Girsang, A. Napiah Nasution, and I. N. Ehrich Lister, “Comparison Activities of Peel and Extract of Lime (Citrus amblycarpa) as Antioxidant and Antielastase”, ASRJETS-Journal, vol. 57, no. 1, pp. 77–84, Jul. 2019.