“UTILIZATION OF LEATHER WASTE FROM PRACTICUM ACTIVITIES IN THE PRODUCTION OF BUCKET HATS”. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit 24, no. 1 (August 31, 2025): 55–66. Accessed September 9, 2025. https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/102.