WEI DAI, X. Z. . A Spatial Difference-in-Differences Approach to Evaluate the Efficiency of Urban Green Innovation under the Pilot Policy of Combining Technology and Finance. CONVERTER, [S. l.], p. 719-727, 2021. DOI: 10.17762/converter.338. Disponível em: https://converter-magazine.info/index.php/converter/article/view/338. Acesso em: 5 may. 2024.