Yang, Shaowen, Ping Wang, and Zhaogang Fu. “Resources Integration Theory and Gray Correlation Analysis: A Study for Evaluating China’s Agri-Food Systems Supply Capacity”. Research on World Agricultural Economy 4, no. 3 (September 15, 2023): 79–91. Accessed January 9, 2025. https://journals.nasspublishing.com/index.php/rwae/article/view/902.