Kunterbunte Ideenkiste für die Seniorenbetreuung: Die Sonne lacht vom Himmelszelt ...Aline KurtVypredanáPostrážiť
Target Estimation and Adjustment Weighting for Survey Nonresponse and Sampling BiasDevin CaugheyVypredanáPostrážiť
Fractional Mathematical model on Transmission and Control of the SpreadEze Hyginus EjikeVypredanáPostrážiť
