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Popular science (2717), Tales (1550), School, training (1163), Geography (750), Politics (610), Agriculture (450), Biology (448), Vocational education (398), History (344), Industry (324), Junior (307), Geography of Hungary (303), Biography (277), Art (251), Fine arts (229), Literature (200), Hungarian history (192), Physics (191), Transportation (188), Healthcare (174), Sounded slide (169), Hungarian literature (169), Botany (167), Cartoon-based (132), Technical history (128), ...
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The english site is coming soon.
1979
Általános műszerismeret
School, training, Vocational education
1988
Anyone Can Make a Mistake (Vízipók-csodapók : Mindenki tévedhet )
Cartoon-based, Sounded slide, Tales
1980
Környezetvédelmi előadássorozatok I. : 7. A fejlődő mezőgazdaság fény és árnyoldala
Agriculture, Environmental Protection, Popular science
1963
Balzac (Balzac)
Biography, Literature, Popular science
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