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Message * Upravlenie V Sot︠s︡ialʹnykh i Ėkonomicheskikh Sistemakh Xv Mezhdunarodnai︠a︡ Nauchno-Prakticheskai︠a︡ Konferent︠s︡ii︠a︡, G. Minsk, 6 Ii︠u︡ni︠a︡ 2006 G. - 9854902412 - 9789854902418