Qin J. Vitrinite Reflectance Suppression of the Triassic Chang 7 Shale: A Case Study from the Nijiahe Outcrop in the Ordos Basin. IJNRES [Internet]. 2025 Mar. 27 [cited 2026 Jun. 10];5(2):116-24. Available from: https://wepub.org/index.php/IJNRES/article/view/5278