@article{MMNP_2021_16_a21, author = {Kamal Shah and Muhammad Arfan and Wejdan Deebani and Meshal Shutaywi and Dumitru Baleanu}, title = {Investigation of {COVID-19} mathematical model under fractional order derivative}, journal = {Mathematical modelling of natural phenomena}, eid = {50}, publisher = {mathdoc}, volume = {16}, year = {2021}, doi = {10.1051/mmnp/2021044}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1051/mmnp/2021044/} }