WASET
    Pham Luu Trung Duong and  Moonyong Lee,  Statistical Analysis of First Order Plus Dead-time System using Operational Matrix.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2009, vol. 36(12). 1115 - 1119
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/8842.