حميد د. بسمان يونس, and حمدون د. علاء نبيل. “Using a Principal Component Analyses (PCA) to Determine Low Relief Anticlines / NW Iraq”. Journal of Petroleum Research and Studies 9, no. 4 (December 1, 2019): 23-38. Accessed April 3, 2025. https://jprs.gov.iq/index.php/jprs/article/view/318.