地理科学进展
R&D internationalization of Chinese enterprises and innovation performance:Based on the survey data of enterprises at the China International Industry Fair 2016-2018
SI Yuefang,LIU Wanxin,ZHU Yiwen,NIE Yuhan
PROGRESS IN GEOGRAPHY . 2019, (10): 1523 -1534 .  DOI: 10.18306/dlkxjz.2019.10.008