Development and Preliminary Evaluation of a Knowledge Management-based Online Teacher Community Platform for Science Fair Instruction: A Cluster Analysis. - Chiu-Ming Hu; Chao-Shen Cheng; Li-Jen Wang; Huei-Tse Hou; Yi-Chun Kuo; Cheng Teng Yao; Ying-Tien Wu (ICCE, 2014)