3A O Adewumi, B A Sawyerr, A M Montaz. A heuristic solution to the university timetabling problem[ J]. Engineering Computations, 2009,26 ( 8 ) :972 - 984.
4Gotlieb. The Construction of Class - Teacher Timetables[ C]. Pro- ceeding IFIP Congress, Germany : Springer, 1963.73 - 74.
5S Even, A Itai, A Shamir. On The complexity of timetable and Muhieommodity flow problems [ J ]. SIAM Journal on Computing, 1976,5:691 - 703.
6Tim B Cooper, Jeffrey H Kingston. The Complexity of Timetable Construction Problems[ C]. Proc. ICPTAT'95, Germany: Spring- er, 1995. 183 -295.
7Shi Juan. Research on application of IGA ( immune genetic algo- rithm) to the solution of course - timetabling problem [ C ]. Pro- ceedings of 2009 4th International Conference on Computer Science and Education, USA: IEEE, 2009. 1109 -1105.
8C H Aladag, G Hocaoglu, M A Basaran. The effect of neighbor- hood structures on tabu search algorithm in solving course timeta- bling problem [ J ]. Expert Systems with Applications, 2009,36 (0) : 12349 - 12356.
9B Detienne, L Peridy, E Pinson. Cut generation for an employee timetabling problem [ J ]. European Journal of Operational Re-search, 2009,197 (3) : 1178 - 1184.
10N Pillay, W Banzhaf. A study of heuristic combinations for hyper -heuristic systems for the uncapacitated examination timetabling problem[ J ]. European Journal of Operational Research, 2009, 197(2) :482 -491.
