Rejeki, Sri. 2015. “Ekstraksi Dan Penetapan Nilai SPF Minyak Nyamplung Dengan Metode Sektrofotometri (Extraction And SPF Value Determination Of Tamanu Oil By Spectrofotometri Methode)”. Indonesian Journal on Medical Science 2 (1). https://ejournal.poltekkesbhaktimulia.ac.id/index.php/ijms/article/view/8.