Problemi i perspektivi na sot︠s︡iologii︠a︡ na naukata
by Niko I︠A︡khiel, I︠U︡lii︠a︡n Minkov, Stefan Angelov, Azari︠a︡ Prizenti Polikarov, Nikola Kostadinov Stefanov
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Book data: Open Library