Zeng, Yamin. “Demand, Challenges, and Optimization Paths for the Development of the Grain Industry in China’s Mountainous Regions”. Journal of Social Science and Humanities 7, no. 4 (April 29, 2025): 12–15. Accessed May 18, 2025. https://bryanhousepub.com/index.php/jssh/article/view/1749.