Research on upgrade of equipment manufacturing industry in Liaoning driven by “Internet +”
YU Jiao,CONG Wen,LI Xiong-yong,ZANG Xue-li
Journal of Shenyang University of Technology . 2020, (4): 312 -317 .  DOI: 10.7688/j.issn.1674-0823.2020.04.04