Formulasi dan Evaluasi Sabun Padat Transparant Ekstrak Frezzed Drying Kayu Secang (Caesalpinia Sappan L) Sebagai Sabun Anti Jerawat: Formulation and Evaluation of Transparent Solid Soap Extract Freezed Drying Sappan wood (Caesalpinia Sappan L) As Anti-Acne Soap. (2021). Jurnal Sains Dan Kesehatan, 3(4), 531–537. https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/390