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Political ideas and the enlightenment in the Romanian principalities. -1750-1831-
Georgescu, Vlad, (1971)
Ideological training in communist education : a case of study of Romania
Croghan, Martin J., (1980)
Ideologie și progres
(1978)
Social-economic aspects of urbanization
Popescu, Ion C., (1969)
The co-operation among developing countries
Popescu, Ion C., (1981)