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Popular science (2717), Tales (1550), School, training (1163), Geography (750), Politics (610), Agriculture (450), Biology (448), Vocational education (398), History (344), Industry (324), Junior (307), Geography of Hungary (303), Biography (277), Art (251), Fine arts (229), Literature (200), Hungarian history (192), Physics (191), Transportation (188), Healthcare (174), Sounded slide (169), Hungarian literature (169), Botany (167), Cartoon-based (132), Technical history (128), ...
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The english site is coming soon.
1977
Munkásábrázolás a képzőművészetben
Art, Fine arts, Graphics, History of labor movement, Painting, Politics, Popular science, Sculpture
1974
Targoncák hidraulikus berendezései
Popular science, Transportation
1963
Chemistry in Agriculture (Kémia a mezőgazdaságban )
Agriculture, Chemistry, Popular science
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