“EFFICIENCY OF WATER AND CHROME USE IN CABRETTA SHEEP TANNING PROCESS USING EXHAUSTED TANNING CHROME METHOD”. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit 21, no. 2 (December 16, 2024): 265–271. Accessed September 21, 2026. https://e-jurnal.politeknikatk.ac.id/bptkspk/article/view/88.