On the local stability of a sheir model to covid-19 spread in Indonesia with time delay
On the local stability of a sheir model to covid-19 spread in Indonesia with time delay
Socio-technopreneur : strategi peningkatan daya saing bisnis Islam di era pandemi Covid-19
Fakta pandemi : oase pemikiran lintas batas
Fakta pandemi : oase pemikiran lintas batas
Covid 19