2022. Using Nonparametric Models to Forecast the Number Injuries of COVID -19. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ). 52, 2 (Dec. 2022), 47–54. DOI:https://doi.org/10.55562/jrucs.v52i2.541.