ISSN 1005-2518
CN 62-1112/TF
融资渠道、政府补助与中国矿业企业研发投入
郑明贵,张静,董娟
Financing Channels,Government Subsidies and R&D Investment of Chinese Mining Enterprises
Minggui ZHENG,Jing ZHANG,Juan DONG
黄金科学技术 . 2021, (3): 457 -466 .  DOI: 10.11872/j.issn.1005-2518.2021.03.025