Maohua Li, Yinshan Guo, Jianwei Shi (2021) “Hot Spots of OBE Concept Research in China in the Past 20 Years--Visual Analysis Based on CNKI”, Design Engineering, 2021(04), pp. 884 - 888. Available at: http://www.thedesignengineering.com/index.php/DE/article/view/1475 (Accessed: 17May2024).