“THE EFFECT OF ADDING SURFACTANTS TO TOP COAT FINISHING ON THE APPEARANCE OF WHITE SPOT DEFECTS ON STEERING WHEEL LEATHER”. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit 23, no. 1 (December 16, 2024): 93–100. Accessed December 22, 2024. https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/32.