id: 70099302 dt: a an: 70099302 au: He, Yulan; Hui, Siu Cheung; Lai, Edmund Ming-Kit ti: Automatic timetabling using artificial immune system so: AAIM, 55-65 (2005). py: 2005 pu: la: EN cc: ut: ci: li: doi:10.1007/11496199_8