E. Leonita, T. Setyaningrum, M. F. Qorib, and D. -, “Comparison of the Efficacy of Topical Clindamycin versus Niacinamide in the Treatment of Mild to Moderate Acne Vulgaris: a Systematic Review”, BIKK, vol. 34, no. 1, pp. 15–22, Mar. 2022.