Azri, A.; Ridwanto, R.; Daulay, A. S.; Dalimunthe, G. I. 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 2025, 11, 364-371.