Sa valorificam prin contractari cit mai multe produse agricole

by Oprea T.
Published 1962

Gheorghe ionescu

by Oprea P.
Published 1988

Viticultura

by Oprea D.
Published 1962

Romania agriculture

by Parpala Oprea
Published 1969

Panait Istrati, un chevalier errant moderne. Dossier de la vie et de l'oeuvre

by Al OPREA
Published 1973

Nicolae Titulescu's diplomatic activity

by Ion.M.Oprea
Published 1968

Transformarea sărăturilor în terenuri bune pentru cultura

by Oprea C. V.
Published 1961

Flysch deposits from the Hartz, the Thuringian and Vogtlandian Slate Mountains, the Carpathians, the Balkans and the Caucasus

by Mihai Stefanescu; Oprea Dicea; Gabor Tari
Published 1987

Lucia Dem. Bălăcescu

by Lucia Demetriade Bălăcescu; Dragoș Morărescu; Petre Oprea
Published 1979