“THE EFFECT OF DIFFERENT PRETANNING INGREDIENTS ON QUALITY OF THE SKIN OF TILAPIA FISH(OREOCHROMIS NILOTICUS) TANNED OF GAMBIER (UNCARIA GAMBIER)” (2024) Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit, 23(2), pp. 190–202. doi:10.58533/y2sngz53.