Wang, Wenbo. “Research on Discriminant Model of Water Inrush Source By Principal Component-Cluster Analysis in Jiaozuo Mining Area”. International Journal of Natural Resources and Environmental Studies 2, no. 2 (May 7, 2024): 138–149. Accessed May 20, 2026. https://wepub.org/index.php/IJNRES/article/view/1625.