@article{龚燕玲:49,
author = {[龚燕玲,  张禹书,  张应良]},
title = {“双循环”视域下成渝地区双城经济圈的交易效率测度与分析},
publisher = {北京邮电大学学报(社会科学版)},
year = {2023},
journal = {北京邮电大学学报(社会科学版)},
volume = {25},
number = {5},
eid = {49},
pages = {49-62},
keywords = {交易效率；成渝地区双城经济圈；全局主成分分析法；引力模型},
doi = https://journalsk.bupt.edu.cn/CN/10.19722/j.cnki.1008-7729.2023.0066
}