%0 Journal Article %T Exploring the potential of learning methods and recurrent dynamic model with vaccination: A comparative case study of COVID-19 in Austria, Brazil, and China %A سید علی رخشان %A مرضیه زاج %A Ghane Ostadghassemi, Fateme Helen %A مهدی سلطانی نژاد %J Physical Review E %@ 2470-0045 %D 2024