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The impact of the COVID-19 pandemic on online grocery supply chain management: a case study in Istanbul
Javadi, Sonya; Keten, Olcay; Özer, A. İhsan; Alkan, R. Zeynep (Gazi Üniversitesi, 2024-03)The COVID-19 pandemic has already crippled normal life all over the world. Its negative impact not only changed the human health system tragically but also disrupted the global economic system. One negative result was ended ... -
On computing the multivariate poisson probability distribution
Çekyay, Bora; Frenk, Johannes Bartholomeus Gerardus; Javadi, Sonya (Springer, 2023-06-20)Within the theory of non-negative integer valued multivariate infinitely divisible distributions, the multivariate Poisson distribution plays a key role. As in the univariate case, any non-negative integer valued infinitely ...