TY  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
A1  - SHAN Yuan-yuan, XU Ge-yi
T1  - Differential Analysis of Impact of Imported Producer Services #br#
on Manufacturing Value Chain Upgrading#br#
—Dual Perspectives Based on Import Quality and Quantity#br#
Y1  - 2021-05-20 00:00:00.0
JF  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
JO  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
SP  - 45
EP  - 55
VL  - 23
IS  - 2
UR  - {https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2020.0287}
N1  - 10.19722/j.cnki.1008-7729.2020.0287
ER  -