Wardhani, P. H., and R. Rahmadewi. “Treatment Options for Postinflammatory Hyperpigmentation in Color Skin”. Berkala Ilmu Kesehatan Kulit Dan Kelamin, vol. 28, no. 3, Jan. 2017, pp. 243-50, doi:10.20473/bikk.V28.3.2016.243-250.