JI, Wei. Research on Digital Trade Measurement and Green Economy Spatial Econometrics Based on DEA-SBM. HighTech and Innovation Journal, [S. l.], v. 7, n. 2, p. 394–412, 2026. DOI: 10.28991/HIJ-2026-07-02-03. Disponível em: https://hightechjournal.org/index.php/HIJ/article/view/1292. Acesso em: 2 jul. 2026.