PRATAMA, Aldi Adi; MAULANA, Ario Usman. Total Cost of Ownership (TCO) and Value Stream Mapping (VSM) Analysis for Cost Added Optimization in the Sunflower Supply Chain. Countable (Contemporary Business and Sustainability Science), [S. l.], v. 2, n. 2, 2025. Disponível em: https://ejournal.masyarakatjurnal.or.id/index.php/countable/article/view/52. Acesso em: 12 mar. 2026.