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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিReduction, United Nations Office for Disaster Risk. Disaster Risk Reduction and Climate Change Adaptation. United Nations Office for Disaster Risk Reduction, 2023.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিReduction, United Nations Office for Disaster Risk. Disaster Risk Reduction and Climate Change Adaptation. United Nations Office for Disaster Risk Reduction, 2023.
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