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, [S. l.], v. 7, n. 4, p. 12–15, 2025. DOI: 10.53469/jssh.2025.7(04).03. Disponível em: https://www.bryanhousepub.com/index.php/jssh/article/view/1749. Acesso em: 14 may. 2025.