Wyniki
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Leadership theories in the modern security
Elitsa Petrova
Security Review /1 (2016) s. 3-13 -
The power as phenomena in the modern security management
Elitsa Petrova
Security Review /1(2) (2017) s. 3-7 -
Germinability of Soybean Seeds Stored More than 30 Years in the Bulgarian National Seed Genebank
Gergana Desheva, Sofia Petrova
World Scientific News 69 (2017) s. 29-46