Sumbayak, Erma, and Rina Priastini. “Penuaan Kulit Akibat Photoaging”. Jurnal Kedokteran Meditek 11, no. 29 (September 10, 2014). Accessed October 5, 2024. https://ejournal.ukrida.ac.id/index.php/Meditek/article/view/128.