Mao, Zijun, Cenyu Liao, and Ruifeng Xue. “Investigation into the Impact of Pika Population Dynamics on Grassland Degradation and the Development of Management Strategies: A Case Study Conducted in Sanjiangyuan National Park”. British Journal of Biology Studies 4, no. 1 (March 13, 2024): 07–12. Accessed July 7, 2025. https://al-kindipublishers.org/index.php/bjbs/article/view/6911.