Journal of Northeastern University(Social Science)
Longitudinal Research of Service Innovation in Design Enterprises: Development Stages and Model Evolution
PENG Kai， SUN Hai-fa， LI Zhi
Journal of Northeastern University(Social Science) . 2017, (3): 253 -261 .  DOI: 10.15936/j.cnki.1008-3758.2017.03.006