Pham Quy Ngoc, Doan Huy Hien, and Hoang Long. “Application of Unsupervised Data Mining Algorithms to Select EOR Solutions for Depleted Oilfields”. Petrovietnam Journal 120 (December 29, 2020): 30 - 36. Accessed April 17, 2026. http://pvj.com.vn/index.php/TCDK/article/view/383.