A. Azri, R. Ridwanto, A. S. Daulay, and G. I. Dalimunthe, “Formulasi dan Uji SPF Sunscreen Powder dari Nanopartikel Ekstrak Kulit Jeruk Bali (Citrus maxima (Burm) Merr.): Formulation and SPF Testing of Sunscreen Powder from Nanoparticle Extract of Pomelo Peel (Citrus maxima (Burm) Merr.)”, J Surya Medika, vol. 11, no. 1, pp. 364–371, Apr. 2025.