Cao, Jie, and Wang Ding. “Virtual Water Resource Utilization Efficiency and Influencing Factors in China’s Tertiary Industry: An Input-Output and Stochastic Frontier Analysis”. Journal of Modern Social Sciences 2, no. 3 (May 15, 2025): 201–209. Accessed June 8, 2025. https://www.atripress.org/index.php/jmss/article/view/306.