2Nathaniel Lasry, Eric Mazur, Jessica Watkins. Peer instruction: From Harvard to the two-year college [J]. Am. J. Phys, 2008(11), 76 (11):1066-1069.http://aapt.org/ajp.
3C. H. Crouch and E. Mazur. Peer Instruction: Ten years of experience and results [J]. Am. J. Phys, 2001(9), 69(9) : 970-977.http://aapt.org/ajp.
4Rao, S. E and S. E. DiCarlo. Peer instruction improves performance on quizzes [J]. Physiology - Advances in Physiology Education, 2000, 24(1): 51-55.
5Mercedes Lorenzo. Reducing the gender gap in the physics classroom [J], Am. J. Phys, 2006(2), 74(2): 118-122. http://aapt.org/ajp.
