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[Subject: Relation Of Natural Factors]
Translated by: IÑAKI ARRIETA
Translated in 58 languages
Translated by: PEZZUOLI CLAUDIO
Translated in 6 languages
[Subject: Economics]
Translated in 4 languages
Translated in 2 languages
[Subject: Generalities]
Translated by: FARHAD PEZESHKI
Translated by: ISAAC SMITH
Translated in 39 languages