“Penentuan Nilai SPF (Sun Protection Factor) Krim Ekstrak Etanol Daun Belimbing Wuluh (Averrhoa Bilimbi L.) Menggunakan Metode Spektrofotometri”. Jurnal Kesehatan Qamarul Huda 12, no. 2 (December 31, 2024): 67–77. Accessed October 12, 2025. http://jkqh.uniqhba.ac.id/index.php/kesehatan/article/view/675.