RUSTANDI, B. Logistics Technology Innovation and Operational Efficiency : Assesing Cost of Goods Sold (COGS) in Reduction in Medium-Sized Manufacturing Firms. Smart International Management Journal, [S. l.], v. 3, n. 1, p. 58–69, 2026. DOI: 10.70076/simj.v3i1.182. Disponível em: https://heijournal.id/index.php/simj/article/view/182. Acesso em: 22 may. 2026.