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Exchange and return policy: The student has the right to benefit from the free duration of the scientific material, which does not exceed five minutes. The student has the right to cancel the subscription within 24 hours of completing the request. The refund process may take 15 working days, and we always strive to complete the process as quickly as possible. The student has the right to replace his subscription in any scientific subject, provided that he has not benefited from the substituted subject. The student is not entitled to refund the amount if it fails.
