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Popular science (2724), Tales (1573), School, training (1178), Geography (754), Politics (610), Biology (454), 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.
1962
Becsület és humanizmus : A ma hősei
History, Politics, Popular science
2022
A Gyűrű és a Sors könyve
Tales
1973
Nuclear Weapons, Radioactive War Materials (Nukleáris fegyverek, sugárzó harcanyagok )
Civil defense, fire protection, Military technology, Popular science
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