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Yulyuswarni Y, Mulatasih ER. 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. J. Sains. Kes [Internet]. 2021 Aug. 31 [cited 2025 Sep. 22];3(4):531–537. Available from: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/390