基于复杂网络的国际镍矿石贸易演变规律研究
乔方刚,刘雪勇
STUDY ON INTERNATIONAL NICKEL ORES TRADE EVOLUTION RULE BASED ON COMPLEX NETWORK
QIAO Fang-gang, LIU Xue-yong
资源与产业 . 2016, (6): 92 -97 .  DOI: 10.13776/j.cnki.resourcesindustries.20161226.003