01 Knowledge production and evolution： online course representation and evolution in the Internet age

Hang Lu and Li Chen

10 A survey of non-mainland Chinese lifelong learning in the Internet age

Qing Chen and Weiyuan Zhang

16 MOOC movement in 2018： development summary and trends based on Coursera， edX， XuetangX，

Udacity， and FutureLearn

Jiumei Ji， Yu wang， Jiayu Ouyang， Qiong Wang

26 Towards an open education credit system in the full sense

Honghui Sun

32 Designing a model for developing practical training courses in the Internet Plus environment

Fugang He， Li Chen and Qun Zhu

43 The effect of clue types on learning performance in the environment of digital learning resources

Hongyan Wang， Zhongling Pi， Xiuli Huang， and Weiping Hu

53 Open and distance education in South Africa in a digital age

Paul Prinsloo

65 The influence of tutoring style on PBL performance in ill-structured problem domain： an epistemic

network analysis approach

Bian Wu and Fengfeng Du

72 Perceived value， cognitive process and behavioral intention： a configuration analysis of MOOC Learning

Baojian Zhang， Xiaokong Zhang， Bo Pei and Guoqiang Sun

83 Using Flowchart to foster computational thinking

Xiaohua Yu and? Meiling Wang

92 Abstracts

94 Contents