Modeling and Prediction of the Covid-19 Cases With Deep Assessment Methodology and Fractional Calculus. - Ertugrul Karaçuha; Nisa Özge Önal; Esra Ergün; Vasil Tabatadze; Hasan Alkas; Kamil Karaçuha; Haci Ömer Tontus; Nguyen Vinh Ngoc Nu (IEEE Access, 2020)