企业转型升级与研发投入的外部环境研究——基于政治关系和市场化进程的视角
기업전형승급여연발투입적외부배경연구——기우정치관계화시장화진정적시각
On Enterprises" Transformation&Upgrading and the External Environment for Enterprises" R&D Investment --Perspective in Political Relations and Marketization Process