Gleda Kutrolli and Maksi Kutrolli and Etjon Meco, The Origin, Diffusion and a Comparison of Ordinary Differential Equations Numerical Solutions Used by SIR Model in Order to Predict SARS-CoV-2 in Nordic Countries. journal = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology. January 2021, vol. 169(1). 33 - 62 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10011742.