Sinaga, M., V. Asfianti, and K. Gurning. “Formulasi Krim Anti-Aging Dari Ekstrak Etanol Bawang Merah (Allium Cepa L.)”. Herbal Medicine Journal, Vol. 3, no. 1, Apr. 2020, pp. 12 -18, doi:https://doi.org/10.58996/hmj.v3i1.22.