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Popular science (2723), Tales (1570), School, training (1178), Geography (754), Politics (610), Biology (453), Agriculture (453), Vocational education (398), History (345), Industry (325), Junior (317), Geography of Hungary (303), Biography (278), Art (253), Fine arts (230), Literature (201), Physics (194), Hungarian history (193), Transportation (189), Healthcare (176), Hungarian literature (170), Sounded slide (169), Botany (168), Cartoon-based (133), Technical history (130), ...
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The english site is coming soon.
1956
Földművelés a Duna - Tisza közén II.
Agriculture, Popular science
1986
Budapest: a City Emerging from the Ruins (Budapest, város a romokból )
History, Popular science
1954
A növényvédelem gépesítése
Agriculture, Botany, Crop production, Popular science, Technical history
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