Paula Simões and  Isabel Natário,  Spatial Econometric Approaches for Count Data: An Overview and New Directions.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 109(1). 348 - 357
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10003743.