WASET
    Aldy Gunawan and  Kien Ming Ng and  Kim Leng Poh,  Solving the Teacher Assignment-Course Scheduling Problem by a Hybrid Algorithm.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2007, vol. 9(9). 491 - 496
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/11119.