XU, Ziyi. Cost Control Optimization of JAC Motors from a Value Chain Perspective: An Analysis based on 2021–2024 Financial Data. Scientific Journal of Economics and Management Research, [S. l.], v. 8, n. 4, p. 19–27, 2026. DOI: 10.54691/2sg2wz38. Disponível em: https://bcpublication.org/index.php/SJEMR/article/view/9302. Acesso em: 25 may. 2026.