YU, Nan; GU, Wenjia; YUAN, Jiajun. The Impact of Digital Economy on Domestic Trade and Investment Efficiency Measurement and Heterogeneity Analysis. International Journal of Global Economics and Management, London, U.K., v. 3, n. 1, p. 91–100, 2024. DOI: 10.62051/IJGEM.v3n1.11. Disponível em: https://wepub.org/index.php/IJGEM/article/view/1660. Acesso em: 19 jun. 2026.