BHATTER, S.; KUMAWAT, S.; BHATIA, B. .; PUROHIT, S. D. Analysis of COVID-19 epidemic with intervention impacts by a fractional operator. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), [S. l.], v. 14, n. 3, p. 261–275, 2024. DOI: 10.11121/ijocta.1515. Disponível em: http://ijocta.org/index.php/files/article/view/1515. Acesso em: 22 jan. 2025.