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Popular science (2723), Tales (1554), School, training (1163), Geography (751), 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.
1971
Producing Fruits in our Home Garden (Gyümölcstermesztés a házikertben )
Agriculture, Biology, Crop production, Popular science
1961
A Visit to the Friendly Korea (Látogatás a baráti Koreában )
Geography, Popular science
1974
Munkánk, eredményeink 4. 1970 - 1975 : Elelmiszeripar
Agriculture, Food industry, Popular science
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