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Metodologičeski problemi na sebestojnostta v uslovijata na optimalno upravlenie na mikroikonomikata
Trifonova, Venelina, (1982)
Struktura na kapitala na firmata : osnovni zavisimosti
Trifonov, Trifon, (1991)
Implications of the ECB's unconventional monetary policy for the banking sector and financial markets
Trifonova, Silvia, (2016)