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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.
1982
Társadalompolitikai ismeretek : A marxizmus - leninzmus a társadalomról és a fejlódésről
History, Politics, Popular science
1967
Egyenáramú motorok gyártása
Industry, Physics, School, training, Vocational education
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