THE EFFECT OF COMBINATION VEGETABLE TANNING MATERIALS AND SULPHITED OIL ON THE PHYSICAL PROPERTIES OF JACKET LEATHER . Settings Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit [Internet]. 2024 Dec. 16 [cited 2024 Dec. 22];21(2):297-0. Available from: https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/93