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[Subject: Physics]
Translated by: POVL H. RIIS-KNUDSEN
Translated in 68 languages
[Subject: Generalities]
Translated by: FARHAD PEZESHKI
Translated in 67 languages
[Subject: Generalities Of Education]
Translated in 13 languages
Translated in 8 languages
[Subject: Food Technology]
Translated in 1 languages