Yanhong Gong and Feng Xu (2023) “Research on the Measurement and Spatial Spillover Effects of Green Total Factor Productivity in Western Regions”, Journal of Research in Social Science and Humanities, 2(4), pp. 119–130. vailable at: https://www.pioneerpublisher.com/jrssh/article/view/246 (ccessed: 1 March 2026).