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Popular science (2723), Tales (1566), School, training (1178), Geography (754), Politics (610), Agriculture (453), Biology (453), Vocational education (398), History (345), Industry (325), Junior (314), 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.
1955
Rádiókészülékek
Industry, Physics, School, training, Technical history, Vocational education
A kapitalizmus kezdetei
History, School, training
1961
China (Kína I-II.)
Geography, Politics, Popular science
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