Yang, J, Z Liu, W Wu, Z An, L Zhao, and Q Sun. “Research on the Control of Slack Flow of China-Kazakhstan Crude Oil Pipeline”. The International Journal of Multiphysics 15, no. 4 (December 26, 2021): 409-436. Accessed November 19, 2025. https://themultiphysicsjournal.com/index.php/ijm/article/view/15-4-409.