Zahruddin, Ahmad, and Damayanti Damayanti. “Penuaan Kulit: Patofisiologi Dan Manifestasi Klinis”. Berkala Ilmu Kesehatan Kulit dan Kelamin 30, no. 3 (December 5, 2018): 208–215. Accessed January 4, 2025. https://e-journal.unair.ac.id/BIKK/article/view/3629.