N. Katemee and  T. Mayureesawan,  Nonconforming Control Charts for Zero-Inflated Poisson Distribution.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 69(9). 1349 - 1355
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/11942.