1Manu Kapur, Charles K. Kinzer. Examining the effect of problem type in a synchronous computer-- supported collaborative learning (CSCL) environment. Education Tech Research, 2007, 55:439 -- 459.
2Jungwoo Choi, Sungwook Kim. Study on gravity in 2 - dimensional space through elastic membrane experiment. IYPT magzine,2014:62 - 72.
3Driver R, Newton P, Osborne J., Estabilshing the Norms of Scientific Argumentation in Classrooms. Science Education, 2000, 84:287 - 312.
4Fuller S. Science. Buckingham, UK: Open University Press, 1997.
5Osborne J. Arguing to Learn in Science: The Roleof Collaborative, Critical Discourse. Science, 2010,328: 463 - 466.