The impact of media awareness on a fractional-order SEIR epidemic model with optimal treatment and vaccinationSuvankar Majee, Snehasis Barman, Anupam Khatua, T. K. Kar and Soovoojeet JanaEur. Phys. J. Spec. Top., 232 14-15 (2023) 2459-2483DOI: https://doi.org/10.1140/epjs/s11734-023-00910-9