LIANG CHEN; KOSHKINA OLGA; IMYAROVA ZULFIYA. CNPC PROCUREMENT COST MANAGEMENT IN THE CONTEXT OF SUPPLY DISRUPTIONS. Modern Scientific Method, [S. l.], n. 13, 2026. Disponível em: https://ojs.publisher.agency/index.php/MSM/article/view/8528. Acesso em: 5 jul. 2026.