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Popular science (2722), Tales (1552), School, training (1163), Geography (750), Politics (610), Agriculture (452), Biology (450), Vocational education (398), History (344), Industry (324), Junior (308), Geography of Hungary (303), Biography (277), Art (251), Fine arts (229), Literature (200), Physics (192), Hungarian history (192), Transportation (189), Healthcare (174), Sounded slide (169), Hungarian literature (169), Botany (168), Cartoon-based (133), Technical history (129), ...
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The english site is coming soon.
1975
KGST : Munkánk, eredményeink - 25 év 7. 1945-1975
Economy, Politics, Popular science
1976
Jelgenerátorok
School, training, Vocational education
1970
Korszerű csapágyszerelési eljárások
Industry, School, training, Vocational education
1962
What Does it Mean to Love Our Homeland and March with Our Brothers? (Mit jelent a hazát szeretni, és együtt menetelni minden testvérünkkel? )
Politics, Popular science
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