The modelling is widely used in determining the best strategies for the mitigation of the impact of infectious diseases.Currently, the modelling of a complex system such as the spread of COVID-19 infection is among the topical issues.The aim of this article is graph-based modelling of the COVID-19 infection spread.The article investigates the micke
In developing countries such as Pakistan, where the macroeconomic situation remains uncertain and inflationary expectations always linger to a high level, investors stay in search of such cost-effective or profitable investment opportunities that can provide their capital 15-fd0038ca an effective hedge against inflation.The present study empiricall
Differences in body sizes may create a trade-off between foraging efficiency (foraging gains/costs) and access to resources.Such mre93ll/a apple watch a trade-off provides a potential mechanism for ecologically similar species to coexist on one resource.We explored this hypothesis for tundra (Cygnus columbianus) and trumpeter swans (Cygnus buccinat