Fuadi, Ahmad M, and Amanda Yasmin Prayendra. “The Effect of Concentration Castor Seed Oil and Banana Peel Extract on The Production of Antiseptic Liquid Soap”. CHEMICA: Jurnal Teknik Kimia 12, no. 1 (April 21, 2025): 35–44. Accessed May 5, 2025. https://journal3.uad.ac.id/index.php/chemica/article/view/329.