Lin Zhang, Xiaojuan Yang, and Dawei Zhang. “The Systematic Model (ESFE) for Implementation of Open Innovation in Yuchai Group in the Peopleos Republic of China”. Global Journal of Human-Social Science 19, no. E8 (May 15, 2019): 1–17. Accessed May 5, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/2999.