Ali, M. Fakhri, Pimpin Utama Pohan, Bambang Prayugo, and Heru Rahmadhany. “Knowledge and Behavior of the Tembung Village Community about Sunscreen to Prevent Melanoma”. Sumatera Medical Journal 6, no. 2 (May 15, 2023): 98–102. Accessed August 4, 2025. https://talenta.usu.ac.id/smj/article/view/11092.