Assessment of Coordinated Development Level of Innovation System in Yangtze River #br# Economic Belt:Empirical Study Based on Haken Model #br#
YANG Lan-pin, CHEN Jiao-yu
Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) . 2020, (6): 30 -40 .  DOI: 10.19722/j.cnki.1008-7729.2020.0038