“Evaluation of the Physical and Mechanical Characteristics of Box Leather for Footwear Upper Applications Based on SNI 0234:2009: Implications for Industrial Ergonomics”. Industrial Innovation 3, no. 1 (August 10, 2026): 16–39. Accessed September 14, 2026. https://e-jurnal.politeknikatk.ac.id/ii/article/view/140.