FORMULASI EMULGEL SARI BUAH TOMAT DAN OCTYL METHOXYCINNAMATE SERTA UJI NILAI SPF. JPFI [Internet]. 2017 Sep. 1 [cited 2025 Apr. 8];6(1):1-6. Available from: http://ejournal2.stifar-riau.ac.id/index.php/jpfi/article/view/140