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1كتاب
المؤلفون: League of Nations.
المساهمون: Anselmino, Otto, 1873-1955., Conference on the limitation of the manufacture of narcotic drugs, (1931 : Geneva), Conference on the Limitation of the Manufacture of Narcotic Drugs (1931 : Geneva, Switzerland)
مصطلحات موضوعية: Narcotics -- economics., Narcotics., Drug Industry -- statistics & numerical data., Statistics., Statistics