Leonita, Eden, Trisniartami Setyaningrum, Mohammad Fathul Qorib, and Damayanti -. 2022. “Comparison of the Efficacy of Topical Clindamycin Versus Niacinamide in the Treatment of Mild to Moderate Acne Vulgaris: A Systematic Review”. Berkala Ilmu Kesehatan Kulit Dan Kelamin 34 (1):15-22. https://doi.org/10.20473/bikk.V34.1.2022.15-22.