References
- Honsberger, R. (1997). In Polya’s footsteps: Miscellaneous problems and essays, Dolciani mathematical exposition number 19. MAA, New york, USA.
- Kennedy, R. E., & Cooper, C. (1993). Variation on a five - by - five seating rearrangement problem (pp. 59–67). Mathematics in College. Fall-Winter, New York.
- Otake, T., Kennedy, R. E., & Cooper, C. (1996). On a seating rearrangement problem. Mathematics and informatics quarterly, 52, 63–71.