(must provide an authorization from the director of education, or head of departments, or director of laboratory, or head of internship service, plus the opinion of the supervisor)
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thanks to its three databases: CHELEM-CIN on international trade. CHELEM-PIB on populations, PIB and exchange rates. CHELEM-BAL on balance of payments and by specific indicators make it easy to calculate many current statistical indicators (structure ratios, trade balance, coverage rate, etc.). Specific indicators (position by market, comparative advantages, performance , etc….)