“DIFFERENCES IN PERCENTAGE OF CASTOR OIL ON WATER ABSORPTION AND SOFTNESS OF RABBIT ZEEMLER SKIN”. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit 22, no. 1 (December 16, 2024): 33–38. Accessed April 4, 2025. https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/14.