Ding, Y; Jacob, EK; Zhang, ZX; Foo, S; Yan, E; George, NL; Guo, LJ Source: JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY Volume: 60 Issue: 12 Pages: 2388-2401 Published: DEC 2009
Chen, FH; Looi, CK; Chen, W Source: JOURNAL OF COMPUTER ASSISTED LEARNING Volume: 25 Issue: 5 Pages: 470-488 Published: OCT 2009
Ng, SF; Lee, K Source: JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION Volume: 40 Issue: 3 Pages: 282-313 Published: MAY 2009
Chin, C; Teou, LY Source: INTERNATIONAL JOURNAL OF SCIENCE EDUCATION Volume: 31 Issue: 10 Pages: 1307-1332 Published: 2009