REFERENCES
- Mazur , Eric . 1996 . Peer Instruction: A User's Manual . New Jersey : Prentice-Hall .
- McCallum , William G. , Deborah Hughes-Hallett , Andrew M. Gleason et al. 1997 . Multivariable Calculus . New York : John Wiley & Sons .
- Pilzer , Scott . 2001 . Peer Instruction in Physics and Mathematics . PRIMUS. 11 ( 2 ): 185 – 192