外经贸对地区经济发展的贡献问题研究——以广东省中山市和韶关市为例
외경무대지구경제발전적공헌문제연구——이광동성중산시화소관시위례
A Study on the Contribution of International Trade to Regional Economic Growth-Evidence from Zhongshan City and Shaoguan City in Guangdong Province