Acta Metallurgica Sinica(English letters)
关于邮政编码调整方案的研究
苑春荟1,张志芸2,左震林3
- 1. 3.北京邮电大学经济管理学院, 2.国家邮政局邮政规划研究院
AresearchonthemodifieddesignofPostCodes
YUAN Chun-hui1, ZHANG Zhi-yun2, ZUO Zhen-lin3
- 1. 3. School of Economics and Management, BUPT, 2. The Postal Planning Institute of the State Posts Administration