Wang, Pengxiang, Wanying Yu, Juan Huang, Qiang Zou, and Zhengtao Yang. “Study on the Physical Properties of Deep Coalbed Methane Reservoirs”. International Journal of Natural Resources and Environmental Studies 5, no. 3 (April 30, 2025): 15–22. Accessed May 14, 2026. https://wepub.org/index.php/IJNRES/article/view/5330.