东营石油装备制造业创新网络演化研究
叶琴, 曾刚, 杨舒婷, 陈弘挺
Innovation Network Evolution of Petroleum Equipment Manufacturing Industry in Dongying
Qin Ye, Gang Zeng, Shuting Yang, Hongting Chen
地理科学 . 2017, (7): 1023 -1031 .  DOI: 10.13249/j.cnki.sgs.2017.07.007