From pandemic to systemic risk: contagion in the U.S. tourism sector–2020 period with
a focus on the impact of the Covid-19 pandemic. The results using tail risk spillover
Infection spreading in tissue as a reaction-diffusion wave, we model infection spreading in tissue with
a delay reaction-diffusion system of equations
Nanofluid convective flow over stretching surface with variable thermophysical properties or nonmetallic solids seems to be significantly higher than conventional fluids. An addition of
a marginal volume
Green transformational leadership and environmental performance in small and medium enterprises. This study collected data from 110 respondents using
a survey questionnaire from small and medium enterprises