NGUYEN, Pham Khoi. Spatial infrastructure disparities: Impacts on economic efficiency across diverse urban–rural geographic regions. The International tax journal, [S. l.], v. 53, n. 2, p. 840–849, 2026. Disponível em: https://internationaltaxjournal.online/index.php/itj/article/view/586. Acesso em: 15 mar. 2026.