@article{单元媛:45,
author = {[单元媛,  许戈伊]},
title = {生产性服务进口影响制造业价值链升级的差异性分析——基于进口质量和数量的双重视角},
publisher = {北京邮电大学学报(社会科学版)},
year = {2021},
journal = {北京邮电大学学报(社会科学版)},
volume = {23},
number = {2},
eid = {45},
pages = {45-55},
keywords = {生产性服务进口；制造业；全球价值链；系统GMM},
doi = https://journalsk.bupt.edu.cn/CN/10.19722/j.cnki.1008-7729.2020.0287
}